Statistic Quizzes

Question 1

· 
  If p = 0.03, confidence also = 0.03.


Answer

Question 2

· 
  It is possible to conduct a one-sample t test even when the population standard deviation is not known.


Answer

True

False


Question 3

· 
  A normal deviate Z test requires that we know the population standard deviation.


Answer


True

False

Question 4

· 
  In a one-sample t test with a sample size of 30, there are 30 degrees of freedom.


Answer

True

False

Question 5

· 
  The mean of any sampling distribution of the mean is the population mean.


Answer

True

False

Question 6

· 
  A z score tests the location of _________, while a Z test tests the location of ____________.


Answer

Question 7

· 
  In a one-sample t test, α =0.05 and t (52) = +2.46. How many degrees of freedom are in this study?


Answer

· 0

· 5

· 5

· 2


·

Question 8

·

· 
  The rejection region typically falls where in the sampling distribution of the mean?


Answer

· 


Question 9

· 
  What is the mean of any sampling distribution of the mean?


Answer

Question 10

· 
  A research report says that t (63) = 1.99; p = 0.03. From that information, can you reject the null hypothesis with 95% confidence?


Answer