Exam 3 Pg 4

Question 1

Inferential statistics

Answer 1

are used to make conclusions about the data

Question 2

Aden finds that, on average, men have higher starting salaries than women. In order to conclude that the differences in starting salaries are true differences and not a result of random error, Aden would employ the use of _______ statistics.

Answer 2

Inferential

Question 3

A researcher employs inferential statistics to examine the difference in mean scores obtained by fourth-grade boys and girls in a standardized math test. In this case, inferential statistics.

Answer 3

Indicate the probability that the difference between, means reflect the random error.

Question 4

According to the _____ hypothesis, the independent variable has no effect.

Answer 4

null

Question 5

When testing the differences between means, the null hypothesis suggests that any observed difference is due to _______.

Answer 5

Random error

Question 6

When testing the difference between means, the ____ hypothesis suggests that population means are not equal.

Answer 6

research

Question 7

When comparing the differences in the ratings of responsibility for an automobile accident between male and female drivers, the null hypothesis would suggest that:

Answer 7

There is no difference in the ratings of responsibility between male and female drivers.

Question 8

If the researcher proposes that there is a difference in the hiring preferences between veterans and nonvererans, such a situation represents the _____ hypothesis. If the researcher proposes that there is no difference in the hiring preferences between veterans and nonveterans such situation represents the ____ hypothesis.

Answer 8

research, null

Question 9

A ______ result is one that has a very low probability of occurring if the population means are equal.

Answer 9

significant

Question 10

The likelihood of the occurrence of some events or outcome is referred to as

Answer 10

probability