1. Chi square is used to test __________________ dependent variables.

Group of answer choices

ratio

nominal

interval

continuous

2. Chi square is used to test __________________ dependent variables.

Group of answer choices

ratio

nominal

interval

continuous

3. Which of the following correlation coefficients is the strongest?

Group of answer choices

-.85

+.77

+.51

+.12

4. What is the correct conclusion based on the following ANOVA result: [F(4,30) = +22.22, p < .05]

Group of answer choices

df_bn = 30; df_wn = 4; k = 35; result was NOT significant

df_bn = 4; df_wn = 30; k = 5; result was significant

df_bn = 3; df_wn = 29; n = 4; result was significant

df_bn = 16; df_wn = 3; n = 17; result was NOT significant

5. In ANOVA, if the F Ratio = 2.45 and the F critical boundary (from the tables) = 3.55, what conclusion should be drawn?

Group of answer choices

at least one of the means is different

all the means are different

all the means are equal

all the standard deviations are different

6. [example continued...]

Given the following data: SP = 500; SS_X = 50; M_Y = 80; M_X = 5

Predict given X = 8

Group of answer choices

200

130

50

110

7. [example continued...]

Given the following data: SP = 500; SS_X = 50; M_Y = 80; M_X = 5

The y intercept, a =

Group of answer choices

100

50

25

30

8. Given the following data: SP = 500; SS_X = 50; M_Y = 80; M_X = 5

The slope, b =

Group of answer choices

4

50

10

5

9. Below is data for two variables, X and Y. Answer the questions that follow.

X	Y	X-MX	Y-MY	(X-MX)2	(Y-MY)2	(X-MX)(Y-MY)
6	1	-1	-4	1	16	___
7	5	0	0	0	0	0
7	6	0	___	0	1	0
8	8	1	3	___	9	3

M_X = _____; M_Y = _____

Group of answer choices

M_X = 7; M_Y = 5

M_X = 5; M_Y = 7

M_X = 4; M_Y = 4

M_X = 12; M_Y = 20

10 . [example continued...]

Below is data for two variables, X and Y. Answer the questions that follow.

X	Y	X-MX	Y-MY	(X-MX)2	(Y-MY)2	(X-MX)(Y-MY)
6	1	-1	-4	1	16	___
7	5	0	0	0	0	0
7	6	0	___	0	1	0
8	8	1	3	___	9	3

Positive or negative correlation?

Group of answer choices

Negative

Positive

11. example continued...]

Below is data for two variables, X and Y. Answer the questions that follow.

X	Y	X-MX	Y-MY	(X-MX)2	(Y-MY)2	(X-MX)(Y-MY)
6	1	-1	-4	1	16	___
7	5	0	0	0	0	0
7	6	0	___	0	1	0
8	8	1	3	___	9	3

r = ____

Group of answer choices

+.85

-.71

+.97

-.65

12. [example continued...]

Below is data for two variables, X and Y. Answer the questions that follow.

X	Y	X-MX	Y-MY	(X-MX)2	(Y-MY)2	(X-MX)(Y-MY)
6	1	-1	-4	1	16	___
7	5	0	0	0	0	0
7	6	0	___	0	1	0
8	8	1	3	___	9	3

SP = ____

Group of answer choices

20

7

15

12

13. [example continued...]

Below is data for two variables, X and Y. Answer the questions that follow.

X	Y	X-MX	Y-MY	(X-MX)2	(Y-MY)2	(X-MX)(Y-MY)
6	1	-1	-4	1	16	___
7	5	0	0	0	0	0
7	6	0	___	0	1	0
8	8	1	3	___	9	3

SS_X = _____; SS_Y = _____

Group of answer choices

SS_X = 100; SS_Y = 400

SS_X = 10; SS_Y = 20

SS_X = 2; SS_Y = 26

SS_X = 10; SS_Y = 10

14. [example continued...]

Below is data for two variables, X and Y. Answer the questions that follow.

X	Y	X-MX	Y-MY	(X-MX)2	(Y-MY)2	(X-MX)(Y-MY)
6	1	-1	-4	1	16	___
7	5	0	0	0	0	0
7	6	0	___	0	1	0
8	8	1	3	___	9	3

What is the missing value under the (X-M_X)(Y-M_Y) column? (far right column)

Group of answer choices

4

3

-3

-2

15 [example continued...]

Below is data for two variables, X and Y. Answer the questions that follow.

X	Y	X-MX	Y-MY	(X-MX)2	(Y-MY)2	(X-MX)(Y-MY)
6	1	-1	-4	1	16	___
7	5	0	0	0	0	0
7	6	0	___	0	1	0
8	8	1	3	___	9	3

What is the missing value under the (X-M_X)²column?

Group of answer choices

-3

3

5

1

16 example continued...]

Below is data for two variables, X and Y. Answer the questions that follow.

X	Y	X-MX	Y-MY	(X-MX)2	(Y-MY)2	(X-MX)(Y-MY)
6	1	-1	-4	1	16	___
7	5	0	0	0	0	0
7	6	0	___	0	1	0
8	8	1	3	___	9	3

What is the missing value under the Y-M_Ycolumn?

Group of answer choices

1

-2

4

3