Sample Percent K* 6.02, 6.04, 5.88, 6.06, 5.82 7.48, 7.47, 7.29 3.90, 3.96, 4.16, 3.96 4.48, 4.65, 4.68, 4.42 5.29, 5.13, 5.14, 5.28, 5.20 1 2 3 4 The preparations were randomly drawn from the same population. a. Find the mean and standard deviation s for each sample. b. Obtain the pooled value spooled- c. Why is spooled a better estimate of s than the standard deviation from any one sample?

Sample Percent K* 6.02, 6.04, 5.88, 6.06, 5.82 7.48, 7.47, 7.29 3.90, 3.96, 4.16, 3.96 4.48, 4.65, 4.68, 4.42 5.29, 5.13, 5.14, 5.28, 5.20 1 2 3 4 The preparations were randomly drawn from the same population. a. Find the mean and standard deviation s for each sample. b. Obtain the pooled value spooled- c. Why is spooled a better estimate of s than the standard deviation from any one sample?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.5: Comparing Sets Of Data

Problem 1GP

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