EDFN 1090/1092 Practice Problems in Measures of Variability 2 1. Find the variance and standard deviation of the sample. a. 15, 16, 17, 18, 19 Computational Formula Definitional Formula OR X2 X Mean...

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EDFN 1090/1092<br>Practice Problems in Measures of Variability 2<br>1. Find the variance and standard deviation of the sample.<br>a. 15, 16, 17, 18, 19<br>Computational<br>Formula<br>Definitional Formula<br>OR<br>X2<br>X<br>Mean<br>(X - Меan)<br>(X - Mean)?<br>ΣΧ<br>| [(X²)=<br>E(x – Meany =<br>Calculate:<br>b. 4, 5, 6, 7, 9<br>Computational<br>Formula<br>OR<br>Definitional Formula<br>Mean<br>(X - Mean)<br>(X- Меan)?<br>ΣΧΗ<br>E(x²) =<br>E(X – Mean)? =<br>Calculate:<br>

Extracted text: EDFN 1090/1092 Practice Problems in Measures of Variability 2 1. Find the variance and standard deviation of the sample. a. 15, 16, 17, 18, 19 Computational Formula Definitional Formula OR X2 X Mean (X - Меan) (X - Mean)? ΣΧ | [(X²)= E(x – Meany = Calculate: b. 4, 5, 6, 7, 9 Computational Formula OR Definitional Formula Mean (X - Mean) (X- Меan)? ΣΧΗ E(x²) = E(X – Mean)? = Calculate:

2. Find the variance and standard deviation of the estimated population. Use the table from<br>Question #1.<br>a. 15, 16, 17, 18, 19<br>b. 4, 5, 6, 7, 9<br>

Extracted text: 2. Find the variance and standard deviation of the estimated population. Use the table from Question #1. a. 15, 16, 17, 18, 19 b. 4, 5, 6, 7, 9

Jun 08, 2022

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EDFN 1090/1092 Practice Problems in Measures of Variability 2 1. Find the variance and standard deviation of the sample. a. 15, 16, 17, 18, 19 Computational Formula Definitional Formula OR X2 X Mean...

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