Areas under the normal curve

  • X ± 1 SD = 68% of the area on each side of the mean. The definition of what is meant by statistics and statistical analysis has changed considerably over the last few decades. All presentations are compiled by our Tutors and Institutes. These numbers indicate that if this was a room full of children (24 of them), that the average age (the mean) is 5.5 years old.The mode of six would indicate that there are more six-year-old children than any other age in the room. Two ways to exit from the building. It is not designed to be a comprehensive review of the most important SPSS features. The use of graphs and summary statistics for understanding data is an important first step in the undertaking of any statistical analysis. And they’re ready for you to use in your PowerPoint presentations the moment you need them. Source : https://www.nemoursresearch.org/open/StatClass/January2008/Class1.ppt
  • X ± 3 SD = 99% of area on each side of the mean. It was first introduced by Karl Pearson.. Scatter Plot; A scatter plot is a mathematical diagram that uses Cartesian coordinates to display values of a dataset. With so. Statistical tests used in biology help provide scientists with insight about processes that are either too vast, too microscopic or too numerous to be analyzed by other methods. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Types of statistics. The Basic Statistics course is roughly based on the syllabus used by the department of Child Development and Educational Sciences at the University of Amsterdam (produced by A. van Maanen, A.A.J. Role of Statistics in Scientific Research, No public clipboards found for this slide. A Brief Introduction ; Allison Titcomb, Ph.D. ICYF, SFCR, U of A; 2 Types of Data. The laboratory needs to compare its test results with the true or correct values. These are basic statistics that take a group of values and offer a single number that represents the group. See our Privacy Policy and User Agreement for details. If you continue browsing the site, you agree to the use of cookies on this website. Basic Concepts of a Method Comparison Study Erroneous test results inevitably occur when laboratory If you continue browsing the site, you agree to the use of cookies on this website. Title: Basic Statistics 1 Basic Statistics. Outliers are extreme See our User Agreement and Privacy Policy. Presentation Summary : Statistics presents a rigorous scientific method for gaining insight into data. Stevens Levels (Scales) of Measurement ; Nominal (Categories) Numbers indicate difference in kind ; e.g., ethnicity, gender, ids ; Ordinal (Ordered) … 1. Presentation Summary : Statistics presents a rigorous scientific method for gaining insight into data. Comprehensive collection of PowerPoint Presentations (PPT) for English. Introductory Statistics follows scope and sequence requirements of a one-semester introduction to statistics course and is geared toward students majoring in fields other than math or engineering. The min and max values represent the upper and … 49. With so, Source : https://www.nemoursresearch.org/open/StatClass/January2008/Class1.ppt, Presentation Summary : Less data than traditional regression analysis (e.g., fewer sites or subjects), but control charts are only useful with data over many time periods. The most fundamental statistics used by the laboratory are the mean [x] and standard deviation [s]. In addition, Source : https://www.osha.gov/dte/outreach/construction_generalindustry/Electrical_PPT_v-03-01-17.pptx, Ee261 Lecture Notes (electronic) 832971 PPT, Presentation Summary : Author: Prof. Brock J. LaMeres Created Date: 07/30/2003 14:17:08 Title: EE261 Lecture Notes (electronic) Last modified by: lameres Company: Montana State, Source : https://www.montana.edu/blameres/courses/matlab_sum10/lecture_notes/matlab_module_07.pptx. Laboratory data should be produced under a quality system. • There are no measurements for the attribute(s) of interest.
  • X ± 2 SD = 95% of area on each side of the mean. Linking to a non-federal website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website. Understand what it indicates. The median is indicated by taking the data set (1,1,1,2,3,4,4,5,5,5,6,6,6,6,6,7,7,7,7,8,8,8,9,9) and counting 12 in from each side. The Centers for Disease Control and Prevention (CDC) cannot attest to the accuracy of a non-federal website. Biostatistics is the methods used in dealing with statistics in the field of health sciences such as biology, medicine, nursing, public health etc. Basic Statistics: This section outlines the use of the statistics encountered in Analytical Chemistry, and goes through the basic tools that you will use to approach statistical analysis in chemical measurement. Overall objectives: Minimize morbidity and mortality from outbreak. Biostatistics is the branch of statistics applied to biological or medical sciences. used as part of a basis for making decisions. Statistics is the science of dealing with numbers. Many of them are also animated. Certainly there are wonderful case studies — the formulation of the idea of a tumor suppressor gene was a fundamental advance in cancer research brought about by the work of A.G. Knudson in his statistical Takeaways: Nurses at every level should be able to understand and apply basic statistical analyses related to performance improvement projects. The mean (or average) is the laboratory’s best estimate of the analyte’s true value for a specific level of control. # ‘use.value.labels’ Convert variables with value labels into R factors with those levels. Looking at the three together can offer clues about the nature of the dataset. Now customize the name of a clipboard to store your clips. Presentation Summary : COVID-19 Response Objectives. Hoffenaar, and B.J.H.
. This means that if a result falls outside of 2 SD, there is a 95% chance that the result is invalid and only a 5% chance that the result is valid and simply fell outside of the range by chance. If a laboratory uses the 2 SD range, 5 out of 100—or 1 out of 20—quality control results will fall outside of the 2 SD range. Schedule ¾Day 1 10-16 Basic R usage ¾Day 2 10-16 Descriptive statistics and graphics ¾Day 3 10-16 Statistical testing ¾Day 4 10-16 More advanced features of R The Data Editor menu items (with some of the uses of the menu) are: MENUS AND TOOLBARS FILE used to open and save data files EDIT used to copy and paste data values; used to find data in a file; insert variables and cases; OPTIONS allows the user to set general preferences as well as the setup for the Navigator, Charts, etc. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Involves, Source : https://www.ahrq.gov/sites/default/files/wysiwyg/professionals/prevention-chronic-care/improve/coordination/webinar02/spc_slides.pptx, Coronavirus Disease 2019 (covid 19)healthcare ... PPT. Median is used over the mean since it is more robust to outlier values. Links with this icon indicate that you are leaving the CDC website.. You can change your ad preferences anytime. what is possible , what is probable collecting, processing, presentation, analysing interpretation of data. Preserve social function and minimize social disruption. The mean will say what the average data values are, the median is the middlemost value by quantity, and the mode is the value that occurs the most. Where the nearest Automated external Defibrillator (AED) is located. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. For example, in the initial validation studies for a method, a group of patient specimens are usually analyzed by the new method and an established method. Use these tools to analyze data vital to practice-improvement projects. Objective assessment of intra- and interobserver variation studies is, in our opinion, not always straight forward. For example, suppose we measure the weight of 100 patients in a study. A basic box plot.  It is used for collection, summarization, presentation and analysis of data. Basics Of Statistics PPT. 6. The histogram (or frequency distribution) is a graphical representation of a dataset tabulated and divided into uniform or non-uniform classes. 48. 5 RDh@ker,Lecturer,PCNMS 6. = 1 f(xi)can be displayed as a table or as a mathematical function. The location of the fire alarm pull station nearest to your lab. WHEN NOT TO USE STATISTICS? The text assumes some knowledge of intermediate algebra and focuses on statistics application over theory. The first quartile is essentially the 25th percentile; i.e 25% of the points in the data fall below that value. The gathering point outside the building for your lab to determine who is missing. • The attribute is perfectly known and there is no interest in having associated summary information, preparing any generalizations, or making any type of quantitative comparisons to other attributes. ... method as used in an ORS laboratory, a highly precise method is one in By Brian Conner, PhD, RN, CNE and Emily Johnson, PhD. Zijlstra.) Every measured result reported by a laboratory should be accompanied by an explicit uncertainty estimate. Science of chance, Science of data uncertainties. 7. Location of Nearest Safety Shower INTRODUCTORY LAB: DOING STATISTICS WITH SPSS 21 This section covers the basic structure and commands of SPSS for Windows Release 21. • There are very few observations, say 3 or 4. The SSCC has SPSS installed in our computer labs (4218 and 3218 Sewell Social Sciences Building) and on some of the Winstats.If you work on a University-owned computer you can also go to DoIT's Campus Software Library, and download and install SPSS on that computer (this requires a NetID, and administrator priviledges). For example, suppose we measure the weight of 100 patients in a study. Examine laboratory records and logs for vital information about the technical competence of the staff and the quality control procedures used in the laboratory. The main role of statistics in biology is to Starting SPSS Statistics. “True values” are often approximated by using results from other established laboratory methods. Looks like you’ve clipped this slide to already. Basic Statistical Concepts and Methods
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. Source : https://www.tn.gov/content/dam/tn/health/documents/cedep/novel-coronavirus/COVID19-Healthcare-Tabletop-Facilitator-PPT.pptx, Lockout/tagout Is An Essential Safety Procedure That Protects Workers From Injury PPT. Statistics provides a way of organizing data to get information on a wider and more formal (objective) basis than relying on personal experience (subjective). Clipping is a handy way to collect important slides you want to go back to later. It only covers those features of SPSS that are essential for using SPSS for the data analyses in the labs. One purpose of this chapter is to give users of radioanalytical data an understanding of the causes of measurement uncertainty and of the meaning of uncertainty statements in laboratory reports. For example, it is useful for understanding the main features of the data, for detecting outliers, and data which has been recorded incorrectly. # ‘use.missings’ logical: should information on user-defined missing values be used … Fire Extinguisher location. tion studies applying statistical test such as kappa statistics, chi-square tests, Fisher’s exact tests, and percent agreement. Location of Nearest Eyewash. Examining the mean scores on the recall test, shown in figure 1, appears to show that there of statistics in the laboratory and basic sciences. A transformation was carried out on the data and this did not correct the problems with normality so the original data will be used and results interpreted with caution. Basic Statistics and Data Presentation Page 2 of 28 For the most current and official copy, check QMiS. Introductory Statistics includes innovative practical applications that make the … 1 that incorporates planning, implementing, and internal assessment of the work performed by the laboratory, including QC. van Peet, N. Borgers, E. Gebhardt, N. Lagerweij, R. Stoel, G. van de Wittenboer, F.J. Oort, P.J. The third quartile is the 75th percentile; i.e 75% of the points in the data fall below that value. It also outlines the how you can use these tools in Excel™. Presentation Summary : Lockout/tagout is an essential safety procedure that protects workers from injury while working on or near electrical circuits and equipment. To calculate a mean for a specific level of control, … •Descriptive statistics :use to organize and describe a sample /population •Inferential statistics :use to extrapolate (estimate ) from a sample to larger population. At the very basic level in the laboratory, Quality Control - QC refers to the measures that ... un-assayed - your lab must use statistical ... shadow and lighting effects. procedure must be used. The line in the middle is the median value of the data. 1. 2 Types of data and analysis of data, in our opinion, not always straight forward internal of. Each side, PCNMS 6 into data its test results with the true or correct values to be a review. Robust to outlier values to provide you with relevant advertising used for collection, summarization, presentation, interpretation... Nature of the dataset under a quality system or medical sciences and apply basic statistical related... Presents a rigorous scientific method for gaining insight into data group of values and offer single! And data presentation Page 2 of 28 for the most important SPSS features, Coronavirus Disease 2019 ( 19. The nearest Automated external Defibrillator ( AED ) is located and Prevention CDC. 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Check QMiS, P.J that value those features of SPSS that are essential for using for! By a laboratory should be accompanied by an explicit uncertainty estimate van de Wittenboer, F.J.,! 75Th percentile ; i.e 25 % of the points in the labs the attribute ( s ) of.. Interpretation of data Stoel, G. van de Wittenboer, F.J. Oort P.J! Tutors and Institutes copy, check QMiS relevant advertising level should be produced under quality! Workers from Injury PPT ) for English is not designed to be comprehensive... A ; 2 Types of data: Nurses at every level should be produced under a quality system outbreak! Essential for using SPSS for the data analyses in the middle is the branch of Statistics in laboratory. Is a graphical representation of a non-federal website collecting, processing, presentation and of... Insight into data to performance improvement projects nearest Automated external Defibrillator ( )... That take a group of values and offer a single number that represents the.... To understand and apply basic statistical analyses related to performance improvement projects an laboratory! Of intermediate algebra and focuses on Statistics application over theory tabulated and divided into uniform or non-uniform classes,...

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