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Author Question: A researcher determines a sample of size (n) 100 is necessary to estimate a population mean with 95 ... (Read 110 times)

Davideckstein7

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on: Jun 29, 2018
A researcher determines a sample of size (n) 100 is necessary to estimate a population mean with 95 confidence
  (z = 2). The calculation of sample size required that he estimate the population standard deviation since it was
  unknown, and he estimated it as 150 . The 100 observations produced a sample mean and a sample standard
  deviation
  The resulting confidence interval is
 a. 970 <  < 1030.
  b. 996 <  < 1004.
  c. 997 <  < 1003.
  d. 960 <  < 1040.
  e. There are two possible confidence intervals.

Question 2

Resistance is
 a. a part of adoption.
  b. closely related to adoption.
  c. the last stage of adoption.
  d. the second stage of adoption.
  e. a concept separate from adoption.


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Kingjoffery

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Reply #1 on: Jun 29, 2018
Answer to Question 1

d

Answer to Question 2

E


Davideckstein7

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Reply #2 on: Jun 29, 2018
Thank you :)


Kingjoffery

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Reply #3 on: Jun 29, 2018
Happy to help you


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