T-Test ANOVA and Non para Tests

Question 1

If the SD isn’t known, why are T-tests used?

Answer 1

Because they allow for a greater range for “Reject Null””

Question 2

For the parametric T-test, Statistical significance happens when the value is _____ the Critical Value

Answer 2

Above

Question 3

For the non-parametric U-test, Statistical significance happens when the value is ____ the Critical Value

Answer 3

Less than or equal to

Question 4

When do you use paired T-tests?

Answer 4

When information is coming from the same subject

Question 5

For the ANOVA F-Value, what do big numbers mean?

Answer 5

Big numbers mean that there is more likely to be significant change.

Question 6

For the ANOVA F-Value, you want your statistical Value to be ____ than the Critical value in order to claim significance

Answer 6

Greater

Question 7

T-Test Formula

Answer 7

dMean/ [sqRt(SE1)^2 + (SE2)^2]

“Difference of means divided by Square root of two different squared Standard Errors added together