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Author Question: The following data are the yields, in bushels, of hay from a farmer's last 10 years: 375, 210, 150, ... (Read 122 times)

DyllonKazuo

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on: Jul 25, 2018
The following data are the yields, in bushels, of hay from a farmer's last 10 years:
  375, 210, 150, 147, 429, 189, 320, 580, 407, 180.
  Find the IQR.
 
  A) 279 B) 265 C) 227 D) 253

Question 2

A pharmaceutical testing company wants to test a new cholesterol drug. The average cholesterol of the target population is 200 mg and they have a standard deviation of 25 mg. The company wished to test a sample of people who fall between 1.
 
  5 and 3 z-scores above the mean. Into what range must a candidate's cholesterol level be in order for the candidate to be included in the study?
  A) 237.5 - 275 B) 162.5 - 275 C) 225 - 237.5 D) 125 - 162.5


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jrpg123456

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Reply #1 on: Jul 25, 2018
Answer to Question 1

C

Answer to Question 2

A


DyllonKazuo

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Reply 2 on: Jul 25, 2018
Wow, this really help

xiazhe

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

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