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Author Question: Interpret the level of statistical significance for the event described.A study of students taking ... (Read 71 times)

tichca

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on: Jan 18, 2020
Interpret the level of statistical significance for the event described.

A study of students taking Statistics 101 was done. 500 students who studied for more than 10 hours averaged a B.  250 students who studied for less than 10 hours averaged a C.  This difference was significant at the 0.01 level.  What does this mean?
◦ The probability that the difference was due to chance alone is greater than 0.01.
◦ There is less than a 0.01 chance that the grades were better by chance alone.
◦ The improvement was due to the fact that more people studied.
◦ There is not enough information to make any conclusion.
Statistical Reasoning for Everyday Life ¦ Bennett, Briggs, Triola ¦ 5th Edition
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Marked as best answer by tichca on Jan 18, 2020

mfedorka

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Reply #1 on: Jan 18, 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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tichca

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Reply 2 on: Jan 18, 2020
Gracias!

yeungji

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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