One characteristic of paired variables is that: a. one variable ...

[Davideckstein7]

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

[emilymalinowski12]

Answer to Question 1

c

Answer to Question 2

A

[Davideckstein7]

Excellent

[AmberC1996]

TYSM