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11. Given the following frequency table data, compute the variance and standard deviation of the data using the grouped data formula. Class Sums 1 2 3 4 5 6 Class Boundaries 10.5-15.5 15.5-20.5 20.5-25.5 25.5-30.5 30.5-35.5 35.5-40.5 fi 1 Normality can not be tested for frequency tables. Population is Normal. We need larger significance level (a). Population is not Normal. 2 6 8 3 3 Σ fi Is the given population normally distributed? Use a = 01. xmi fixmi Efiami x'mi fi• x²mi Σ fi• xmi

11. Given the following frequency table data, compute the variance and standard deviation of the data using the grouped data formula. Class Sums 1 2 3 4 5 6 Class Boundaries 10.5-15.5 15.5-20.5 20.5-25.5 25.5-30.5 30.5-35.5 35.5-40.5 fi 1 Normality can not be tested for frequency tables. Population is Normal. We need larger significance level (a). Population is not Normal. 2 6 8 3 3 Σ fi Is the given population normally distributed? Use a = 01. xmi fixmi Efiami x'mi fi• x²mi Σ fi• xmi

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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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11. Given the following frequency table data, compute the variance and standard deviation of the data using the grouped data formula. Class Sums 1 2 3 4 5 6 Class Boundaries 10.5-15.5 15.5-20.5 20.5-25.5 25.5-30.5 30.5-35.5 35.5-40.5 fi 1 Normality can not be tested for frequency tables. Population is Normal. We need larger significance level (a). Population is not Normal. 2 6 8 3 w w 3 Σ fi Is the given population normally distributed? Use a = 01. Xmi fi.xmi Efiami x²mi fi . xmi 2 Σfixmi
Transcribed Image Text:11. Given the following frequency table data, compute the variance and standard deviation of the data using the grouped data formula. Class Sums 1 2 3 4 5 6 Class Boundaries 10.5-15.5 15.5-20.5 20.5-25.5 25.5-30.5 30.5-35.5 35.5-40.5 fi 1 Normality can not be tested for frequency tables. Population is Normal. We need larger significance level (a). Population is not Normal. 2 6 8 3 w w 3 Σ fi Is the given population normally distributed? Use a = 01. Xmi fi.xmi Efiami x²mi fi . xmi 2 Σfixmi
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