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Heights of 130 singers in the NY Choral Society in 1979 were self-reported to the nearest inch. The four voice parts in order from highest pitch to lowest pitch are Soprano, Alto, Tenor, Bass. The first two are female voices and the last two are male voices. We would like to test if different parts have significantly different heights. The standard deviations are: s1=2.8 s2-2.4 s3-1.9 S4-3.2 Using the equal variance assumption, can we say the standard deviations are close enough to use ANOVA? (select all that apply) O The assumption is not violated

Heights of 130 singers in the NY Choral Society in 1979 were self-reported to the nearest inch. The four voice parts in order from highest pitch to lowest pitch are Soprano, Alto, Tenor, Bass. The first two are female voices and the last two are male voices. We would like to test if different parts have significantly different heights. The standard deviations are: s1=2.8 s2-2.4 s3-1.9 S4-3.2 Using the equal variance assumption, can we say the standard deviations are close enough to use ANOVA? (select all that apply) O The assumption is not violated

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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Heights of 130 singers in the NY Choral Society in 1979 were self-reported to the nearest inch. The four voice parts in order from highest pitch to lowest pitch are Soprano, Alto, Tenor, Bass. The first two are female voices and the last two are male voices. We would like to test if different parts have significantly different heights. The standard deviations are: s1=2.8 s2=2.4 S3=1.9 s4-3.2 Using the equal variance assumption, can we say the standard deviations are close enough to use ANOVA? (select all that apply) O The assumption is not violated O We can use ANOVA O The assumption is violated O We should NOT use ANOVÁ
Transcribed Image Text:Heights of 130 singers in the NY Choral Society in 1979 were self-reported to the nearest inch. The four voice parts in order from highest pitch to lowest pitch are Soprano, Alto, Tenor, Bass. The first two are female voices and the last two are male voices. We would like to test if different parts have significantly different heights. The standard deviations are: s1=2.8 s2=2.4 S3=1.9 s4-3.2 Using the equal variance assumption, can we say the standard deviations are close enough to use ANOVA? (select all that apply) O The assumption is not violated O We can use ANOVA O The assumption is violated O We should NOT use ANOVÁ
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