'Quartile range' diaporamas de présentation

Measures of Variability

Variability. Measures of Variability. Measure of Variability (Dispersion, Spread). Variance, standard deviation Range Inter-Quartile Range Pseudo-standard deviation. Range. Range. Definition Let min = the smallest observation Let max = the largest observation Then Range =max - min.

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REVIEW OF UNIT 1

REVIEW OF UNIT 1. 1) The table displays the number of videos rented. a. How many families were surveyed?. 16 + 14 + 11 + 2 + 4 = 47. REVIEW OF UNIT 1. 1) The table displays the number of videos rented. b. Find the median number of videos rented by these families.

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REVIEW OF UNIT 1

REVIEW OF UNIT 1. 1) The table displays the number of videos rented. a. How many families were surveyed?. 16 + 14 + 11 + 2 + 4 = 47. REVIEW OF UNIT 1. 1) The table displays the number of videos rented. b. Find the median number of videos rented by these families.

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Medical Statistics

http://cc.jlu.edu.cn/ms.html. Medical Statistics. Practice 1. Tao Yuchun. Review. I. Basic concepts. 1. Population and Sample. Randomization. 2. Probability and Frequency. 3. Parameter and Statistic. II. Types of data. 1. Numerical Variable ( Measurement Data ).

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Box and Whiskers

Box and Whiskers. Tammy Wallace Varina High. A box-and-whiskers plot is a good way to show the spread (or variation) of a set of data visually. Median : the middle term, or the average of the two middle terms, when the terms are arranged from least to greatest.

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Box and Whisker Plots

Probability & Statistics Section 2.5. Box and Whisker Plots. Box-and-Whiskers Displays use all of the following except?. the median the first quartile the mean the Q3 the minimum value. The 5-Number Summary includes all of the following except?. the maximum the minimum the median

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Lesson 4 in SPSS

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180

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Box Plots

Example A car park attendant makes a record every hour of the number of cars in the car park. 32 25 17 14 17 26 24 12 3 work out the median and quartiles for number of cars in the car park Draw a box plot to represent this data. Box Plots. Example

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