Deck 24: One Sample T-Test

Question 1

Which of the following is NOT true about One Sample t Test?

A) The continuous variable needs to be normally distributed
B) One sample mean is compared to the population mean
C) The null hypothesis states that the sample is no different than the population
D) The df is n - 2

Answer 1

D

Question 2

in a non-directional One Sample t Test the null hypothesis states that the sample means is greater than the population mean.

Answer 2

False

Question 3

What is the mean differences between the sample mean and the population mean divided by in the calculation of the t value for a One Sample t Test?

A) Standard Deviation
B) Standard Error of Mean
C) N
D) N-1

Answer 3

B

Question 4

What can you conclude about the following t test results: [t (99) = 4.576, p < .05].

A) There is a significant difference between the sample mean and the population mean
B) There is not a significant difference between the sample mean and the population mean
C) N is 99
D) The Probability that the null hypothesis is true is .05

Question 5

If in a One Sample t Test, the null hypothesis is true what would you conclude:

A) The sample mean is different from the population mean
B) The sample does not represent the population
C) The sample is not different from the population
D) The sample is difference from the population