5

Question 1

Statistical significance is not equal to?

Answer 1

Biologically important

Question 2

Does the p value tell you the size of an effect?

Answer 2

No

Question 3

Does correlation imply causation?

Answer 3

No

Question 4

Confounding variable?

Answer 4

An unmeasured variable that may influence both X and Y.

Question 5

In experiments , the values of one variable randomly assigned by?

Answer 5

The researcher

Question 6

If you have h outcomes of the same probability, within a probability tree, what is the total probability of the desired outcome?

Answer 6

h(probability of a single outcome)

Question 7

Binomial distribution?

Answer 7

Describes the probability of various numbers of successes from a fixed number of independent trials.

Question 8

Larger sample has higher/lower standard error?

Answer 8

Lower

Question 9

What happens if the confidence interval of the mean from (x, x+y) samples do overlap the overall mean of all samples?

Answer 9

You can be certain that you can not reject the null hypothesis.