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Author Question: After constructing a confidence interval estimate for a population mean, you believe that the ... (Read 122 times)

kfurse

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on: Jun 24, 2018
After constructing a confidence interval estimate for a population mean, you believe that the interval is useless because it is too wide. In order to correct this problem, you need to:
 a. increase the sample size.
  b. increase the population standard deviation.
  c. increase the level of confidence.
  d. increase the sample mean.

Question 2

A multiple regression model has:
 a. only one independent variable. c. more than one dependent variable.
  b. only two independent variables. d. more than one independent variable.


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qytan

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

A

Answer to Question 2

D


kfurse

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

kswal303

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Reply 3 on: Yesterday
Excellent

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