Post-Test in Statistics and Probability

Which of the following states that there is no difference between a parameter and a specific value, and is initially assumed as a true statement?

• Alternative hypothesis

• Level of significance

• Null hypothesis

• Rejection region

Which of the following illustrates Type I error?

• The null hypothesis is true and accepted.

• The null hypothesis is true and rejected.

• The null hypothesis is false and accepted.

• The null hypothesis is false and rejected.

A financial manager claims that the average life insurances they offer is more than ₱ 500,000 per month. Which is the appropriate parameter to be tested in the situation?

• mean

• proportion

• standard deviation

• variance

What is the appropriate parameter to be tested in the given problem?

• mean

• variance

• proportion

• standard deviation

What is the appropriate null hypothesis for the given problem?

• The mean score of the public vocational SHS students in the mock assessment done is greater than 95.

• The mean score of the public vocational SHS students in the mock assessment done is less than 95.

• The mean score of the public vocational SHS students in the mock assessment is equal to 95.

• The mean score of the public vocational SHS students in the mock assessment done is not equal to 95.

What is the appropriate alternative hypothesis for the given problem?

• The mean score of the public vocational SHS students in the mock assessment is equal to 95.

• The mean score of the public vocational SHS students in the mock assessment done is not equal to 95.

• The mean score of the public vocational SHS students in the mock assessment done is greater than 95.

• The mean score of the public vocational SHS students in the mock assessment done is less than 95.

What is the direction of the test for the given problem?

• one-tailed

• two-tailed 

• no-tailed

• three-tailed

What is the appropriate test statistic to be evaluated for the given problem?

• z-test

• t-test

• proportion

• p-value

To what critical/tabular value will you compare the calculated test-statistic to decide what to do with the null hypothesis?

• ±1.28

• ±1.645

• ±1.96

• ± 2.33

What is the calculated value of the test-statistic?

• -3.67

• -3.19

• -2.56

• -1.77