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Author Question: Your Stats teacher tells you your test score was the 3rd quartile for the class. Which is true? ... (Read 167 times)

mcmcdaniel

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on: Jul 25, 2018
Your Stats teacher tells you your test score was the 3rd quartile for the class. Which is true?
 
  I. You got 75 on the test.II. You can't really tell what this means without knowing the standard deviation.
  III. You can't really tell what this means unless the class distribution is nearly Normal.
  A) II only B) I only C) III only D) none E) II and III

Question 2

Two sections of a class took the same quiz. Section A had 15 students who had a mean score of 80, and Section B had 20 students who had a mean score of 90. Overall, what was the approximate mean score for all of the students on the quiz?
 
  A) 85.7
  B) none of these
  C) It cannot be determined.
  D) 84.3
  E) 85.0
Stats: Modeling the World ¦ Bock, Velleman, De Veaux ¦ 4th Edition
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nhea

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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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mcmcdaniel

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Reply 2 on: Jul 25, 2018
Great answer, keep it coming :)

rachel

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

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