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Given the following sample data in a grouped frequency distribution Data Frequency 40 - 44 45 - 49 4 50 - 54 55 - 59 60 - 64 65 - 69 70 - 74 75 - 79 80 - 84 7 12 22 14 8 6 1 (a) Find the mean (give you answer to one decimal) = What would the correct notation be? Enter mu, x-bar, s, or sigma. (b) Find the standard deviation (give your answer to two decimals) = What would the correct notation be? Enter mu, x-bar, s, or sigma.

Given the following sample data in a grouped frequency distribution Data Frequency 40 - 44 45 - 49 4 50 - 54 55 - 59 60 - 64 65 - 69 70 - 74 75 - 79 80 - 84 7 12 22 14 8 6 1 (a) Find the mean (give you answer to one decimal) = What would the correct notation be? Enter mu, x-bar, s, or sigma. (b) Find the standard deviation (give your answer to two decimals) = What would the correct notation be? Enter mu, x-bar, s, or sigma.

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.2: Arithmetic Sequences
Problem 52E
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Given the following sample data in a grouped frequency distribution Data Frequency 40 - 44 45 - 49 50 - 54 55 - 59 1 4 7 12 60 - 64 22 65 - 69 70 - 74 14 8. 75 - 79 6 80 - 84 1 (a) Find the mean (give you answer to one decimal) = What would the correct notation be? Enter mu, x-bar, s, or sigma. (b) Find the standard deviation (give your answer to two decimals) = What would the correct notation be? Enter mu, x-bar, s, or sigma.
Transcribed Image Text:Given the following sample data in a grouped frequency distribution Data Frequency 40 - 44 45 - 49 50 - 54 55 - 59 1 4 7 12 60 - 64 22 65 - 69 70 - 74 14 8. 75 - 79 6 80 - 84 1 (a) Find the mean (give you answer to one decimal) = What would the correct notation be? Enter mu, x-bar, s, or sigma. (b) Find the standard deviation (give your answer to two decimals) = What would the correct notation be? Enter mu, x-bar, s, or sigma.
20 15 10 40 45 50 55 60 65 70 75 80 Number of People 20 15 10 42 47 52 57 62 67 72 77 82 87 Number of People 20 15 10 44 49 54 59 64 69 74 79 84 89 Number of People 20 15 10 40 45 50 55 60 65 70 75 80 85 Number of People Frequency dou ənbaiy Frequency dou ənbat
Transcribed Image Text:20 15 10 40 45 50 55 60 65 70 75 80 Number of People 20 15 10 42 47 52 57 62 67 72 77 82 87 Number of People 20 15 10 44 49 54 59 64 69 74 79 84 89 Number of People 20 15 10 40 45 50 55 60 65 70 75 80 85 Number of People Frequency dou ənbaiy Frequency dou ənbat
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