Consider the following sample. རྒྱསྐྱས 35 49 64 a) Calculate the mean and standard deviation for this data. b) Determine the percentage of data values that fall in each of the intervals x±s, x± 2s, and x±3s. c) Compare these with the percentages that should be expected from a bell-shaped distribution. Does it seem plausible that these data came from a bell-shaped population? 21 46 25 25 37 72 36 49 36 82 35 88 42 14 76 69 87 51 91 43 57 5555 51 50 5255 46 24 a) What is the mean of the data set? x= (Round to two decimal places as needed.)

Consider the following sample. རྒྱསྐྱས 35 49 64 a) Calculate the mean and standard deviation for this data. b) Determine the percentage of data values that fall in each of the intervals x±s, x± 2s, and x±3s. c) Compare these with the percentages that should be expected from a bell-shaped distribution. Does it seem plausible that these data came from a bell-shaped population? 21 46 25 25 37 72 36 49 36 82 35 88 42 14 76 69 87 51 91 43 57 5555 51 50 5255 46 24 a) What is the mean of the data set? x= (Round to two decimal places as needed.)

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 13PPS

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