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Author Question: If a researcher wants to improve the precision of a statistic by one decimal point, the sample size ... (Read 32 times)

brutforce

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on: Jun 29, 2018
If a researcher wants to improve the precision of a statistic by one decimal point, the sample size would have to increase by _______________ times.
 a. five c. 100
  b. ten d. 1,000

Question 2

Combining the data from adjacent categories of a Likert-scale item is a common form of data transformation.
 
 Indicate whether the statement is true or false


mjbamaung

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

C
Sample size increases with the square of the precision.

Answer to Question 2

T


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