The following table gives a sample of the percentage of current users of alcohol and cigarettes in the 18- to 25-year-old age group in the United States for some recent selected years. Find the average, sample variance, and sample standard deviation of each. (Round your answers to four decimal places.) Alcohol 68 69 71 77 76 74 Cigarettes 29 16 17 22 21 25 Alcohol: mean sample variance sample standard deviation Cigarettes: mean sample variance sample standard deviation Which group of users is varying more? - cigarettes - alcohol - cannot be determined
The following table gives a sample of the percentage of current users of alcohol and cigarettes in the 18- to 25-year-old age group in the United States for some recent selected years. Find the average, sample variance, and sample standard deviation of each. (Round your answers to four decimal places.) Alcohol 68 69 71 77 76 74 Cigarettes 29 16 17 22 21 25 Alcohol: mean sample variance sample standard deviation Cigarettes: mean sample variance sample standard deviation Which group of users is varying more? - cigarettes - alcohol - cannot be determined
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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The following table gives a sample of the percentage of current users of alcohol and cigarettes in the 18- to 25-year-old age group in the United States for some recent selected years. Find the average, sample variance, and sample standard deviation of each. (Round your answers to four decimal places.)
Alcohol | 68 | 69 | 71 | 77 | 76 | 74 |
Cigarettes | 29 | 16 | 17 | 22 | 21 | 25 |
Alcohol:
sample variance | ||
sample standard deviation |
Cigarettes:
mean | ||
sample variance | ||
sample standard deviation |
Which group of users is varying more?
- cigarettes
- alcohol
- cannot be determined
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