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Author Question: A researcher identified 100 men over forty who were not exercising and another 100 men over forty ... (Read 53 times)

magmichele12

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on: Jul 25, 2018
A researcher identified 100 men over forty who were not exercising and another 100 men over forty with similar medical histories who were exercising regularly.
 
  She followed all the men for several years to see if there was any difference between the two groups in the rate of heart attacks. This is a(n)
  A) retrospective study.
  B) prospective study.
  C) matched pairs experiment.
  D) survey.
  E) randomized experiment.

Question 2

The mean of Q1 and Q3 equals the
 
  A) midrange. B) midquartile. C) median. D) mean.
Stats: Modeling the World ¦ Bock, Velleman, De Veaux ¦ 4th Edition
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dreamfighter72

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Reply #1 on: Jul 25, 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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magmichele12

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Reply 2 on: Jul 25, 2018
Gracias!

chereeb

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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