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Author Question: Test the indicated hypothesis.An algebra teacher believes that the variances of test scores of ... (Read 92 times)

CQXA

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on: Jan 16, 2020
Test the indicated hypothesis.

An algebra teacher believes that the variances of test scores of students in her evening algebra class are lower than the variances of test scores of students in her morning class. The results of an exam, given to the morning and evening students, are shown below. Can the teacher conclude that her evening students have a lower variance? Use α = 0.01.
Evening Students Morning Students
n1 = 41 n2 = 36
s1 = 10.6 s2 = 19.6
Assume the samples were randomly selected from normal populations.
Statistics: Informed Decisions Using Data ¦ Sullivan ¦ 5th Edition
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Marked as best answer by CQXA on Jan 16, 2020

meltdown117

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Reply #1 on: Jan 16, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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CQXA

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Reply 2 on: Jan 16, 2020
:D TYSM

meow1234

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Reply 3 on: Yesterday
Excellent

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