The weights of 40 pupils are shown below 35 43 52 39 62 54 58 37 44 62 43 48 53 42 55 37 45 50 40 46 52 53 49 37 44 54 49 61 59 60 45 58 32 56 49 65 46 34 67 53 (a) Group the data into classes of width 5 kg starting with 30-34, 35-39 and so on. (b) What is the modal class? (c) Using the grouped frequency distribution you found in part (a), estimate the mean and standard deviation of the data.
The weights of 40 pupils are shown below 35 43 52 39 62 54 58 37 44 62 43 48 53 42 55 37 45 50 40 46 52 53 49 37 44 54 49 61 59 60 45 58 32 56 49 65 46 34 67 53 (a) Group the data into classes of width 5 kg starting with 30-34, 35-39 and so on. (b) What is the modal class? (c) Using the grouped frequency distribution you found in part (a), estimate the mean and standard deviation of the data.
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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