STAT 285 Test 5 Practice Questions and
Answers 100% Pass
Which of the following is NOT a requirement of testing a claim about the mean of the differences from
dependent samples?
A. Either the number of pairs of sample data is larger than 30 or the pairs have differences that are from
a population having a distribution that is approximately normal, or both.
B. The sample data are dependent.
C. The degrees of freedom are n−2.
D. The samples are simple random samples. - ANSWER✔✔-C. The degrees of freedom are n−2.
Two samples are ________________ if the sample values are paired. - ANSWER✔✔-dependent
Two samples are ____________ if the sample values from one population are not related to or somehow
naturally paired or matched with the sample values from the other population. - ANSWER✔✔-
independent
Which of the following is NOT a property of the F distribution?
A. The F distribution is not symmetric.
B. The F distribution is bell-shaped.
Copyright ©Stuvia International BV 2010-2024 Page 1/4