T-Test MCQ (Multiple Choice Questions) PDF Download

The decision value to reject the null hypothesis incase of a two tail test is said to be

1. Calculated t must be less than critical value
2. Calculated t must be less than critical value in absolute form
3. Calculated t must be greater than critical value
4. Calculated t is less than negative of critical t-value

In t-test, if the calculated value is greater than the critical value in absolute form, then

1. Reject Null hypothesis
2. Do not reject null hypothesis
3. Do nothing
4. Estimate again

In t-test, if df is greater than 20, α is equal to 0.05 and calculated t value is greater than 2 then

1. Do not reject null hypothesis
2. Reject Null hypothesis
3. Estimate again
4. Do nothing

In a two tail test, the parameter/estimator for hypothesis taken as

1. Equal to 0
2. Greater than Zero
3. Less than 0
4. Undefined/Unknown

The decision value to reject the null hypothesis incase of a left tail test is said to be

1. Calculated t must be less than critical value in absolute form
2. Calculated t must be greater than critical value
3. Calculated t must be less than critical value
4. Calculated t is less than negative of critical t-value