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Author Question: A statistics professor has 115 students in a statistics class and would like to estimate the number ... (Read 408 times)

SO00

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on: Jun 24, 2018
A statistics professor has 115 students in a statistics class and would like to estimate the number of hours each student studied for the last exam.
 
  A random sample of 24 students was found to study an average of 6.8 hours with a standard deviation of 2.2 hours. The 90 confidence interval to estimate the average number of hours studying for the exam is ________.
  A) (6.69, 6.91)
  B) (5.86, 8.74)
  C) (6.11, 7.49)
  D) (5.79, 7.81)

Question 2

Two variables are dependent if changes in the levels of one variable do not affect the levels of the other variable.
 
  Indicate whether the statement is true or false
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nital

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Reply #1 on: Jun 24, 2018
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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SO00

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Reply #2 on: Jun 24, 2018
Thank you


nital

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Reply #3 on: Jun 24, 2018
No problemo


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