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Author Question: The scores on a standardized test are reported by the testing agency to have a mean of 75. Based on ... (Read 98 times)

dakota nelson

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on: Feb 14, 2020

Question 1

In a test of H0: μ = 250 against Ha: μ ≠ 250, a sample of n = 100 observations possessed mean = 247.3 and standard deviation s = 11.4. Find and interpret the p-value for the test.

Question 2

The scores on a standardized test are reported by the testing agency to have a mean of 75. Based on his personal observations, a school guidance counselor believes the mean score is much higher. He collects the following scores from a sample of 50 randomly chosen students who took the test.

39485563666868697071
71717374767676777879
79797980808283838385
85868688888888898989
90919292939596979799

Find and interpret the p-value for the test of H0: μ = 75 against Ha: μ > 75.
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Marked as best answer by dakota nelson on Feb 14, 2020

T4T

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Reply #1 on: Feb 14, 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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dakota nelson

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Reply 2 on: Feb 14, 2020
YES! Correct, THANKS for helping me on my review

Laurenleakan

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Reply 3 on: Yesterday
Wow, this really help

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