I need quick help! Please help me answer these questions.

Using the t-table, what is the critical value for alpha = .05 and degrees of freedom 20?

What is the difference between a t-test for independent samples and a t-test for dependent samples?

Provide an example of a study that would be analyzed using a t-test for dependent samples.

If you are running a t-test for dependent means on a group of 96 individuals, your degrees of freedom will be _______.

In order to be 99% confident you have not committed a Type I error, at what level should you set your p value?

A Cohens d value of .88 would be considered _______.

If the number of participants in Group 1 = 32 and the number in Group 2 = 30, what is the associated degrees of freedom?

Under what circumstances would a researcher reject the null hypothesis?

Under what conditions would a researcher choose to use a t-test for independent samples?

If your sample mean is 30, your population average is 10, and your standard error of the mean is 5, what is your observed z value?

If your sample mean is 25, your population average is 20, and your standard error of the mean is 8, what is your observed z value?

If you have a population standard deviation of 9 and a sample size of 81, what is your standard error of the mean?

In the formula for calculating a z score, what does stand for?

Why wouldnt a researcher set the confidence level at .0001, since its better than .05 and even better than .01?

What is the difference between Type I error and Type II error?

Define significance level.

What is a z score?

Make the following nondirectional research hypothesis into a null hypothesis: There is a difference between the number of males and females that have a college education.

Define null hypothesis and research hypothesis.

What is the difference between the nondirectional research hypothesis and the directional research hypothesis?