# Question: Multiple choice questions 1 A test of hypothesis is always about a

Multiple choice questions:

1. A test of hypothesis is always about

a. A population parameter

b. A sample statistic

c. A test statistic

2. A Type I error is committed when

a. A null hypothesis is not rejected when it is actually false

b. A null hypothesis is rejected when it is actually true

c. An alternative hypothesis is rejected when it is actually true

3. A Type II error is committed when

a. A null hypothesis is not rejected when it is actually false

b. A null hypothesis is rejected when it is actually true

c. An alternative hypothesis is rejected when it is actually true

4. A critical value is the value

a. Calculated from sample data

b. Determined from a table (e.g., the normal distribution table or other such tables)

c. Neither a nor b

5. The computed value of a test statistic is the value

a. Calculated for a sample statistic

b. Determined from a table (e.g., the normal distribution table or other such tables)

c. Neither a nor b

6. The observed value of a test statistic is the value

a. Calculated for a sample statistic

b. Determined from a table (e.g., the normal distribution table or other such tables)

c. Neither a nor b

7. The significance level, denoted by , is

a. The probability of committing a Type I error

b. The probability of committing a Type II error

c. Neither a nor b

8. The value of gives the

a. Probability of committing a Type I error

b. Probability of committing a Type II error

c. Power of the test

1. A test of hypothesis is always about

a. A population parameter

b. A sample statistic

c. A test statistic

2. A Type I error is committed when

a. A null hypothesis is not rejected when it is actually false

b. A null hypothesis is rejected when it is actually true

c. An alternative hypothesis is rejected when it is actually true

3. A Type II error is committed when

a. A null hypothesis is not rejected when it is actually false

b. A null hypothesis is rejected when it is actually true

c. An alternative hypothesis is rejected when it is actually true

4. A critical value is the value

a. Calculated from sample data

b. Determined from a table (e.g., the normal distribution table or other such tables)

c. Neither a nor b

5. The computed value of a test statistic is the value

a. Calculated for a sample statistic

b. Determined from a table (e.g., the normal distribution table or other such tables)

c. Neither a nor b

6. The observed value of a test statistic is the value

a. Calculated for a sample statistic

b. Determined from a table (e.g., the normal distribution table or other such tables)

c. Neither a nor b

7. The significance level, denoted by , is

a. The probability of committing a Type I error

b. The probability of committing a Type II error

c. Neither a nor b

8. The value of gives the

a. Probability of committing a Type I error

b. Probability of committing a Type II error

c. Power of the test

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