'Normal distribution curve' presentation slideshows

Statistical Analysis

Statistical Analysis. Topic 1. Statistics. 1.1.1 State that error bars are a graphical representation of the variability of data. 1.1.2 Calculate the mean and standard deviation of a set of values.

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Normal Distribution

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Normal Distribution

Normal Distribution. Tripthi M. Mathew, MD, MPH. Objectives. Learning Objective - To understand the topic on Normal Distribution and its importance in different disciplines. Performance Objectives At the end of this lecture the student will be able to:

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Section 7.2

Section 7.2. Standard Units and Areas Under the Standard Normal Distribution. Standard Score. The z value or z score tells the number of standard deviations between the original measurement x and the mean ? of the x distribution. The z value is in standard units.

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Unit #6 - Basic Quality Control for the Clinical Laboratory

Unit #6 - Basic Quality Control for the Clinical Laboratory. Cecile Sanders, M.Ed., MLS(ASCP). Unit #6 - Basic Quality Control for the Clinical Laboratory. Introduction

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Evaluation skills

Evaluation skills. G Balasubramanian. Why evaluate?. Individual position on a learning curve Position in a given learning cohort Position in a given universe. What does a marking scheme contain?. A marking scheme contains value points for assessment. They are suggestive.

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Measurement Concepts & Interpretation

Measurement Concepts & Interpretation. Scores on tests can be interpreted:. By comparing a client to a peer in the norm group to determine how different the client is from the norm group (inter-individual) Scores provided in norm tables

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Theory of Errors in Observations

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15.4 The Normal Distribution Objectives:

15.4 The Normal Distribution Objectives: . Understand the basic properties of the normal curve. Relate the area under a normal curve to z -scores. Make conversions between raw scores and z -scores. Use the normal distribution to solve applied problems. The Normal Distribution.

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Theory of Measurements and Errors

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Normal Distribution

Normal Distribution. Mean, Median, Mode at Line of Symmetry. Properties of Normal Distribution. It is symmetrical; the mean, median, and mode are equal and fall at the line of symmetry for the curve. It is shaped like a bell, peaking at the middle and sloping down toward the sides.

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Shaping the Bell Right

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Assessment and Identity

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Lec 7, Ch4, pp83-99: Spot Speed Studies (Objectives)

Lec 7, Ch4, pp83-99: Spot Speed Studies (Objectives). Know when you need to conduct a speed study and where you should do it Learn how spot speed data can be collected (from the reading) Know how to determine the sample size needed Know how to reduce the collected data

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3. Data Presentation

3. Data Presentation. Graphs & Charts. Graphs.

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Basics of Sampling Theory

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Calculating Z-scores

Calculating Z-scores. A z-score tells you where you are on the generic normal distribution curve Most z-scores are between -3 and 3 (because 99.7% of the data is between -3 and 3!). Finding a z-score: the formula. (where x is the data value).

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Statistics

Statistics. Objectives: Try to differentiate between the P value and alpha value When to perform a test Limitations of different tests and how to over come them. Statistics . Why should I care about the statistics? I can prove anything by statistics except the truth ( George Canning )

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