# Question: Multiple choice questions 1 The random variable x2 assumes only a Positive b

Multiple choice questions:

1. The random variable x2 assumes only

a. Positive

b. Nonnegative

c. Non-positive values

2. The parameter(s) of the chi-square distribution is (are)

a. Degrees of freedom

b. df and n

c. x2

3. Which of the following is not a characteristic of a multinomial experiment?

a. It consists of n identical trials.

b. There are k possible outcomes for each trial and k 2.

c. The trials are random.

d. The trials are independent.

e. The probabilities of outcomes remain constant for each trial.

4. The observed frequencies for a goodness-of-fit test are

a. The frequencies obtained from the performance of an experiment

b. The frequencies given by the product of n and p

c. the frequencies obtained by adding the results of a and b

5. The expected frequencies for a goodness-of-fit test are

a. The frequencies obtained from the performance of an experiment

b. The frequencies given by the product of n and p

c. The frequencies obtained by adding the results of a and b

6. The degrees of freedom for a goodness-of-fit test are

a. n = 1

b. k – 1

c. n + k – 1

7. The chi-square goodness-of-fit test is always

a. Two-tailed

b. Left-tailed

c. Right-tailed

8. To apply a goodness-of-fit test, the expected frequency of each category must be at least

a. 10

b. 5

c. 8

9. The degrees of freedom for a test of independence are

a. (R – 1)(C – 1)

b. n – 2

c. (n – 1)(k – 1)

1. The random variable x2 assumes only

a. Positive

b. Nonnegative

c. Non-positive values

2. The parameter(s) of the chi-square distribution is (are)

a. Degrees of freedom

b. df and n

c. x2

3. Which of the following is not a characteristic of a multinomial experiment?

a. It consists of n identical trials.

b. There are k possible outcomes for each trial and k 2.

c. The trials are random.

d. The trials are independent.

e. The probabilities of outcomes remain constant for each trial.

4. The observed frequencies for a goodness-of-fit test are

a. The frequencies obtained from the performance of an experiment

b. The frequencies given by the product of n and p

c. the frequencies obtained by adding the results of a and b

5. The expected frequencies for a goodness-of-fit test are

a. The frequencies obtained from the performance of an experiment

b. The frequencies given by the product of n and p

c. The frequencies obtained by adding the results of a and b

6. The degrees of freedom for a goodness-of-fit test are

a. n = 1

b. k – 1

c. n + k – 1

7. The chi-square goodness-of-fit test is always

a. Two-tailed

b. Left-tailed

c. Right-tailed

8. To apply a goodness-of-fit test, the expected frequency of each category must be at least

a. 10

b. 5

c. 8

9. The degrees of freedom for a test of independence are

a. (R – 1)(C – 1)

b. n – 2

c. (n – 1)(k – 1)

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

According to the Henry J. Kaiser Family Foundation (www.statehealthfacts.org), the percentage distribution of the source of health insurance in the United States in 2010 was as listed in the following table. Recently 15,000 ...A university employment office wants to compare the time taken by graduates with three different majors to find their first full-time job after graduation. The following table lists the time (in days) taken to find their ...An ophthalmologist is interested in determining whether a golfer’s type of vision (far-sightedness, near-sightedness, no prescription) impacts how well he or she can judge distance. Random samples of golfers from these ...Multiple choice questions: 1. The F distribution is a. Continuous b. Discrete c. Neither 2. The F distribution is always a. Symmetric b. Skewed to the right c. Skewed to the left 3. The units of the F distribution, denoted ...The following ANOVA table, based on information obtained for four samples selected from four independent populations that are normally distributed with equal variances, has a few missing values. a. Find the missing values ...Post your question