Question
Question 1 (Mandatory) (5 points) Saved Which of the following statements is a characteristic of the t-distribution? Question 1 options: It is a sampling distribution.
Question 1 (Mandatory)(5 points)
Saved
Which of the following statements is a characteristic of the t-distribution?
Question 1 options:
It is a sampling distribution. | |
It uses degrees of freedom based on sample size. | |
Its interpretation is similar to that for z-scores. | |
All of the above | |
None of the above |
Question 2 (Mandatory)(5 points)
Saved
The standard error of the mean is:
Question 2 options:
The standard deviation for mean estimates. | |
Is equal to the standard deviation of the population. | |
Sometimes less than 0. | |
Is the variance squared. | |
None of the above |
Question 3 (Mandatory)(5 points)
Saved
A one-tailed test:
Question 3 options:
Is a directional hypothesis test. | |
Splits the rejection region between the tails. | |
Has the p-value always less than the significance level. | |
Has the p-value always more than the significance level. | |
None of the above. |
Question 4 (Mandatory)(5 points)
Saved
When the null hypothesis is not rejected, we conclude that:
Question 4 options:
The research hypothesis is also true. | |
The research hypothesis is accepted. | |
We used the wrong test statistic. | |
All of the above. | |
None of the above. |
Question 5 (Mandatory)(5 points)
Saved
A two-tailed hypothesis test...
Question 5 options:
has all of the rejection region in the upper tail of the standard normal distribution. | |
has all of the rejection region in the lower tail of the standard normal distribution. | |
is a non-directional hypothesis test. | |
always uses a z-value of -1.96 or 1.96. | |
None of the above |
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started