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Author Question: One characteristic of paired variables is that: a. one variable is a negative value and the other ... (Read 99 times)

Davideckstein7

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on: Jun 24, 2018
One characteristic of paired variables is that:
 a. one variable is a negative value and the other is a positive value
  b. both variables are positive values
  c. each variable has the same number of observations
  d. each variable has a different number of observations

Question 2

A random sample of size 15 taken from a normally distributed population revealed a sample mean of 75 and a sample variance of 25 . The upper limit of a 95 confidence interval for the population mean would equal:
 a. 77.77
  b. 72.23
  c. 88.85
  d. 77.27


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emilymalinowski12

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

c

Answer to Question 2

A


Davideckstein7

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Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

Dominic

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Reply 3 on: Yesterday
Excellent

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