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

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