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7:011

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/ Week 14 / Final Exam

Question 1

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Which of the following is used to test

the null hypothesis?

Select one:

a. Both B and C

b. Confidence interval tests

c. P-values

d. Lambda tests

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7:011

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Which of the following is true of a

spurious relationship?

Select one:

a. In a spurious relationship, the

independent variable is shown to

have no effect on the dependent

variable in all values of the control

variable.

b. In a spurious relationship, the

independent variable has an effect

on the dependent variable in one

value of the control variable but not

in the others.

O c. In a spurious relationship, the

independent variable has an effect

of roughly the same strength and in

the same direction in all values of

the control variable.

d. In a spurious relationship, the

effect of the independent variable

on the dependent variable runs in

the opposite direction in one value

of the control variable as it does in

another value of the control

variable.

moodle.quincy.edu

7:011

E

/ Week 14 / Final Exam

Question 1

Not yet answered

Points out of 2.00

Remove flag

Which of the following is used to test

the null hypothesis?

Select one:

a. Both B and C

b. Confidence interval tests

c. P-values

d. Lambda tests

Next page

Final Review

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moodle.quincy.edu

7:011

E

yuuuuuu

Not yet answered

Points out of 2.00

Remove flag

Which of the following statistics

measures how well we can predict

values for the dependent variable once

we know values for the independent

variable?

Select one:

a. All of the above.

b. R-squared

c. Lambda.

d. Somers’ Dyx.

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Question 4

Not yet answered

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If a sample is smaller than

you

should use the Student’s t Distribution

(instead of using 1.96) to calculate

confidence intervals.

Select one:

a. 1.645

O

b. 1,000,000

C. 100

O

d. 1.96

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7:011

E

Not yet answered

Points out of 2.00

Flag question

Which of the following is true of random

sampling?

Select one:

a. So long as we select our

sample randomly, we can be 100%

certain our findings accurately

represent the population being

studied.

b. The standard level of

confidence social scientists seek for

random samples is 50%.

O

c. Both A and B.

d. In a random sample, every

individual in the population has an

equal chance of being selected as

part of the sample.

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