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Author Question: The first quartile _____. a. contains at least one third of the data elements b. is the same as ... (Read 77 times)

shenderson6

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on: Jun 24, 2018
The first quartile _____.
 a. contains at least one third of the data elements
  b. is the same as the 25th percentile
  c. is the same as the 50th percentile
  d. is the same as the 75th percentile

Question 2

A 95 confidence interval for a population mean is determined to be 100 to 120 . For the same data, if the confidence coefficient is reduced to .90, the confidence interval for  
 a. becomes narrower.
   b. becomes wider.
   c. does not change.
   d. becomes 100.1 to 120.1.


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poopface

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Reply #1 on: Jun 24, 2018
Answer to Question 1

b

Answer to Question 2

a


shenderson6

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  • Posts: 573
Reply 2 on: Jun 24, 2018
Wow, this really help

kusterl

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

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