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Using the grouped data below, find the variance. Use the formulas and steps given to find the variance of the grouped data.

Using the grouped data below, find the variance. Use the formulas and steps given to find the variance of the grouped data.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Using the grouped data below, find the variance. Use the formulas and steps given to find the variance of the grouped data.

GROUPED DATA... CLASS LIMITS 5-7 8-10 11-13 14-16 17-19 CLASS BOUNDARIES 4.5-7.5 7.5-10.5 10.5-13.5 13.5-16.5 16.5-19.5 TALLY FREQUENCY = || I || 37 32 31 17 4 CLASS MARK 6 9 12 15 18 <cf 37 69 100 117 121 >cf 121 84 52 21 4 RELATIVE FREQUENCY Proportion Percentage 0.0331 3.31% 0.1405 0.2562 0.2645 0.3058 14.05% 25.62% 26.45% 30.58%
Transcribed Image Text:GROUPED DATA... CLASS LIMITS 5-7 8-10 11-13 14-16 17-19 CLASS BOUNDARIES 4.5-7.5 7.5-10.5 10.5-13.5 13.5-16.5 16.5-19.5 TALLY FREQUENCY = || I || 37 32 31 17 4 CLASS MARK 6 9 12 15 18 <cf 37 69 100 117 121 >cf 121 84 52 21 4 RELATIVE FREQUENCY Proportion Percentage 0.0331 3.31% 0.1405 0.2562 0.2645 0.3058 14.05% 25.62% 26.45% 30.58%
EL iF variance & s-d., NO Step 1: Step 2. Step 5.. Step 4: Step 5 5: Step 6: демиса Date 2: N-1 compute mean get_deviations From mean from deviation square their corresponding class f Square deviation multiply the by get the sum of f corresponding class f Substitute mean of 73 Xm variability Grouped Data Range = HS - LS Variance Formula 1: 2 S - Ef a n-1 Formula 2: 5² = NO Standard Deviation Date n ({f. x²) - (Ef. x₂)) 고 n (n-1) FOTO GRID
Transcribed Image Text:EL iF variance & s-d., NO Step 1: Step 2. Step 5.. Step 4: Step 5 5: Step 6: демиса Date 2: N-1 compute mean get_deviations From mean from deviation square their corresponding class f Square deviation multiply the by get the sum of f corresponding class f Substitute mean of 73 Xm variability Grouped Data Range = HS - LS Variance Formula 1: 2 S - Ef a n-1 Formula 2: 5² = NO Standard Deviation Date n ({f. x²) - (Ef. x₂)) 고 n (n-1) FOTO GRID
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