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Author Question: The numbers of personal phone calls received in the last three days by a new employee were 2, 6, and ... (Read 112 times)

natalie2426

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on: Aug 2, 2018
The numbers of personal phone calls received in the last three days by a new employee were 2, 6, and 8. Assume that samples of size 2 are randomly selected with replacement from this population of three values.
 
  List the 9 different possible samples and find the mean of each sample. Find the sampling distribution of means.

Question 2

If the appropriate measure of central tendency is the mean, then the most appropriate measure of variability is the .
 
  a. median
  b. range
  c. standard deviation
  d. population variance


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blakeserpa

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Reply #1 on: Aug 2, 2018
Answer to Question 1

Possible samples: 2-2; 2-6; 2-8; 6-2; 6-6; 6-8; 8-2; 8-6; 8-8
Means: 2, 4, 5, 4, 6, 7, 5, 7, 8

The sampling distribution of means is:

Answer to Question 2

C


natalie2426

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Reply 2 on: Aug 2, 2018
Wow, this really help

yeungji

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Reply 3 on: Yesterday
Gracias!

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