# 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

**View Solution:**## Answer to relevant Questions

According to the Kaiser Family Foundation, U.S. workers who had employer-provided health insurance paid an average premium of $921 for single (one person) health insurance coverage during 2011 (USA TODAY, October 10, 2011). ...Briefly explain the meaning of independent and dependent samples. Give one example of each. A car magazine is comparing the total repair costs incurred during the first three years on two sports cars, the T-999 and the XPY. Random samples of 45 T-999s and 51 XPYs are taken. All 96 cars are 3 years old and have ...Refer to the information given in Exercise 10.18. Test at a 1% significance level if the two population means are different n1 = 55 1 = 90.740 s1 = 11.60 n2 = 50 2 = 86.30 s1 = 10.25 A company claims that its medicine, Brand A, provides faster relief from pain than another company’s medicine, Brand B. A researcher tested both brands of medicine on two groups of randomly selected patients. The results ...Post your question