BUS308 Assignments Week 2 – Quiz

A null hypothesis is a statement describing the expected differences between populations as seen by random samples selected from each.

  True

Correct!

  False

 

Question 2

1 / 1 pts

The null hypothesis states that a difference exists.

  True

Correct!

  False

 

Question 3

1 / 1 pts

The hypothesis testing procedure tests for the accuracy of the alternate hypothesis.

  True

Correct!

  False

 

Question 4

1 / 1 pts

What is the second step in the hypothesis testing procedure?

  State the decision rule.

Correct!

  State the level of significance.

  State the test statistic and statistical test.

  State the null and alternate hypothesis statements.

 

Question 5

1 / 1 pts

Typical P-values used in hypothesis testing do not include?

  0.001

  0.01

  0.05

Correct!

  0.10

 

Question 6

1 / 1 pts

The p-value tells us the likelihood of getting a result as large or larger than we observed by pure chance alone.

Correct!

  True

  False

 

Question 7

1 / 1 pts

The t-test is used to test for variance equality between samples.

  True

Correct!

  False

 

Question 8

1 / 1 pts

Comparing male and female mean salaries, assuming no difference in data set variation, requires the

Correct!

  T-test

  F-test

  Paired T-test

  None of the above

 

Question 9

1 / 1 pts

We can use either the null or alternate hypothesis statement as the test claim in a hypothesis testing situation.

  True

Correct!

  False

 

Question 10

1 / 1 pts

The F-test can be used for testing mean equality.

  True

Correct!

  False

Quiz Score: 10 out of 10