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Measure Of Standard Deviation Quiz 1 (13 MCQs)

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1. What is the variance for the sample data set given below?\{ 5, 10, 7, 12, 0, 20, 15, 22, 8, 2 \}

2. What is the standard deviation for the data set given below? Data comes from a population .\{ 5, 10, 7, 12, 0, 20, 15, 22, 8, 2 \}

3. The Sleep Shop conducted a survey to determine the average number of hours that people sleep at night. The results are shown here.# of Hours Spend Sleeping at Night Frequency 4 1 5 2 6 37 6 8 109 410 2Find the range, the sample variance, and the sample standard deviation.

4. What is an advantage of using the range as a measure of variation?

5. The number of calories in a 1-ounce serving of ten popular breakfast cereals is shown below.Apple Jacks-116 Cap'n Crunch-119Cheerios-106 Life-104Rice Krispies-110 Froot Loops-113Kellogg's Corn Flakes-101 Kellogg's Raisin Bran-89Lucky Charms-106 Trix 110Find the range, sample variance, and sample standard deviation of the data.

6. Standard deviation is always the _____ of variance.

7. The term "snowstorms of note" applies to all snowfalls over 6 inches. The snowfall amounts forsnowstorms of note in Utica, New York, over a four-year period are as follows:7.1, 9.2, 8.0, 6.1, 14.4, 8.5, 6.1, 6.8, 7.7, 21.5, 6.7, 9.0, 8.4, 7.0, 11.5, 14.1, 9.5, 8.6What are the mean and population standard deviation for these data, to the nearest hundredth?

8. Calculate the range of the following:2, 5, 8, 3, 13, 5

9. If the variance of a data set is 64, what is its standard deviation?

10. What is the Normal Range of the annual precipitation for Phoenix, if the average is 29 with a standard deviation of 3?

11. The Marathon Walk for World Peace has a 25-mile route. A random sample of participants walked the distances shown. Find the variance and standard deviation.Distance (miles) Number of Walkers 1-5 14 6-10 9 11-15 1116-20 1021-25 6

12. Find the range.12, 5, 9, 18, 22, 25, 5

13. This is used to describe the distribution of the data

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Measure Of Standard Deviation Quiz 1 (13 MCQs)

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