Mathematics > QUESTIONS & ANSWERS > MATH 225N - Week 3 - Standard Deviation. Questions and Answers. (All)
Week 3 Assignment: Standard Deviation Question A large company is interested to know the variation in yearly sales for its salespeople. The dataset shown below is the yearly sales for a sample of 5 ... salespeople (expressed in thousands of dollars): 40, 60, 65, 70, 80 Find the variance for this dataset. •Round the final answer to the nearest whole number. Answer: 220 Question The data below are the monthly average high temperatures for November, December, January, and February in New York City from the Country Studies/Area Handbook Series sponsored by the U.S. Department of the Army between 1986 and 1998. What is the sample standard deviation? 54,42,40,40 Answer: 6.7 Question Which of the following lists of data has the smallest standard deviation? Select the correct answer below: 30, 21, 19, 17, 16, 32, 26, 25, 19, 16 5, 11, 15, 7, 5, 9, 8, 16, 14, 11 25, 24, 28, 18, 32, 34, 34, 22, 28, 19 [Show More]
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