2. Discuss why the range is an unstable measure of variability and when the interquartile range...

2. Discuss why the range is an unstable measure of variability and when the interquartile range may be preferred if the distribution of a variable is skewed?

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TOPIC: Disadvantages of range and Use of the Inter-quartile range(IQR).

orchestra answered 2 years ago

Discuss the advantages and disadvantages for the interquartile range and standard deviation in describing the variability...

Discuss the advantages and disadvantages for the interquartile range and standard deviation in describing the variability present in a distribution of scores.

Describe the relation between scales of measurement and measures of variability (e.g., interquartile range and standard...

Describe the relation between scales of measurement and measures of variability (e.g., interquartile range and standard deviation.)

discuss the sensitivity of outliers for mean, median, interquartile range, range, variance and standar deviation

1.What is a quantitative measure of variability? 2. Describe how the range and standard deviation uniquely...

1.What is a quantitative measure of variability? 2. Describe how the range and standard deviation uniquely identifies the variability of a distribution. 3. How does the presence of one or more outliers influence the range and standard deviation? 4. Create a collection of 7-12 numbers of your choice (e.g., 4, 9, 13, 2, 7, 8, 6, 10). Find the following quantitative measures of variability: Range Sample Variance Sample Standard Deviation Show all work. Make sure that the numbers that you...

What is Interquartile Range? (stats)

1. Define variability. 2. What are the strengths and limitations of the range? 3. When computing...

1. Define variability. 2. What are the strengths and limitations of the range? 3. When computing a standard deviation, why are the deviations from the mean squared? 4. Why is the square root taken when computing the standard deviation? 5. What are the three measures of variability? Which is the most commonly used? 6. Compute the range of the following student’s test scores: 39, 64.5, 54, 49, 56, 61, 58 7. The local B League baseball team is trying out...

1. The sample range is useful as a measure of: variability association skewness bias central tendency...

1. The sample range is useful as a measure of: variability association skewness bias central tendency 2. 150, 151, 154, 155, 155, 155, 155, 156, 156,156, 157,157, 158,158, 162,162,164 If we draw a boxplot, where should the lower whisker be?: 150 164 151 162 3. 40 independent measurements of the boiling point of a certain liquid were found to have a sample average of 950C, and sample variance of 20C. The formula for converting from a Celsius temperature x to...

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2. Discuss why the range is an unstable measure of variability and when the interquartile range...

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