Question

Answer the correlation questions using the data below. Use α =
0.01.

x | y |
---|---|

3.1 3.9 5.9 7.1 6.1 4.9 6.9 |
4.5 5.1 5.9 6.6 5.1 5.2 5.9 |

**a)** Compute the correlation.

*r* = ____

**b)** Compute the appropriate test statistic(s) for
*H*_{1}: ρ < 0.

critical value = ____ ; test statistic = _____

Decision: ---Select--- Reject H0 or Fail to reject
H0

**c)** Compute the corresponding effect size(s) and
indicate magnitude(s).

If not appropriate, input and/or select "na" below.

effect size = ; ---Select--- na, trivial
effect, small effect, medium effect, or large effect

**d)** Make an interpretation based on the results.
Select One

a) There is a significant positive relationship between
*x* and *y*.

b) There is a significant negative relationship between
*x* and *y*.

c) There is no significant relationship between *x* and
*y*.

Answer #1

Answer the correlation questions using the data below. Use α =
0.01.
x
y
5
6
4
7
3
8
9
1
0
1
0
1
0
0
a) Compute the correlation.
r =
b) Compute the appropriate test statistic(s) for
H1: ρ > 0.
critical value = ; test statistic =
Decision: ---Select--- Reject H0 Fail to reject H0
c) Compute the corresponding effect size(s) and
indicate magnitude(s).
If not appropriate, input and/or select "na" below.
effect size = ; ---Select--- na trivial...

Answer the correlation questions using the data below. Use α =
0.05.
x
y
9
6
8
3
7
4
7
1
0
1
0
1
0
0
a) Compute the correlation.
r = ____
b) Compute the appropriate test statistic(s) for
H1: ρ > 0.
critical value = ____ ; test statistic = ____
Decision: ---Select--- Reject H0 or Fail to reject
H0
c) Compute the corresponding effect size(s) and
indicate magnitude(s).
If not appropriate, input and/or select "na" below....

Answer the within-subjects ANOVA questions using the data below.
Use α = 0.01.
1
2
3
4
53
49
47
30
51
34
44
44
39
36
25
39
30
12
46
42
39
37
36
34
22
25
35
48
27
33
28
31
a) Compute the preliminary statistics below.
SSBG = ; dfBG =
SSBS = ; dfBS =
SSE = ; dfE =
SST = ; dfT =
b) Compute the appropriate test statistic(s) to
make a decision about H0.
critical...

Answer the one-way ANOVA questions using the data below. Use
α = 0.01.
1
2
3
4
53
49
47
45
51
34
44
44
25
36
34
39
30
12
46
42
49
37
36
34
47
25
37
30
27
33
28
31
a. Compute the preliminary statistics below.
SSBG = ________ ; dfBG = _________
SSWG = ________ ; dfWG = ________
SST = ___________ ; dfT = _________
b. Compute the appropriate test statistic(s) to make...

Answer the within-subjects ANOVA questions using the data below.
Use α = 0.05.
1
2
3
4
53
49
47
48
51
34
44
44
39
36
34
39
30
41
46
42
39
47
36
34
47
37
35
30
27
33
28
31
a) Compute the preliminary statistics below.
SSBG = ; dfBG =
SSBS = ; dfBS =
SSE = ; dfE =
SST = ; dfT =
b) Compute the appropriate test statistic(s) to
make a decision about H0.
critical...

Answer the within-subjects ANOVA questions using the data below.
Use α = 0.05.
1
2
3
4
53
49
47
37
51
34
44
44
39
36
34
39
30
34
23
42
39
37
36
34
47
25
35
34
27
33
28
31
a) Compute the preliminary statistics below.
SSBG = ; dfBG =
SSBS = ; dfBS =
SSE = ; dfE =
SST = ; dfT =
b) Compute the appropriate test statistic(s) to
make a decision about H0.
critical...

A health psychologist hypothesizes that snacking is related to
television (tv) viewing. Below are the hours of television and
number of snacks for a sample of participants. What can the
psychologist conclude with an α of 0.01?
tv
snacks
4
3
3
3
1
5
4
3
7
4
3
0
1
10
8
5
a) What is the appropriate statistic?
---Select--- na Correlation Slope Chi-Square
Compute the statistic selected in a):
b) Obtain/compute the appropriate values to make a...

A health psychologist hypothesizes that people snack more when
watching more television (tv). Below are the hours of television
and number of snacks for a sample of participants. What can the
psychologist conclude with an α of 0.05?
tv
snacks
3
3
4
5
1
3
3
7
4
3
1
10
8
5
a) What is the appropriate statistic?
---Select--- na Correlation Slope Chi-Square
Compute the statistic selected in
a):
b) Obtain/compute the appropriate values to make a
decision...

A social psychologist hypothesizes that depression is related to
Facebook use. The psychologist collects hours on Facebook and
depression score data from a sample of clinically depressed
patients. What can be concluded with α = 0.10?
Facebook
depression
3
3
2
5
4
3
4
2
3
4
0
7
9
6
1
11
2
5
a) What is the appropriate statistic?
---Select--- na, Correlation, Slope, Chi-Square
Compute the statistic selected in
a):
b) Obtain/compute the appropriate values to make...

A social psychologist hypothesizes that more Facebook use is
related to less depression. The psychologist collects hours on
Facebook and depression score data from a sample of clinically
depressed patients. What can be concluded with an α of
0.01?
Facebook
depression
3
4
5
4
3
4
2
3
0
7
9
6
1
4
2
5
a) What is the appropriate statistic?
---Select--- na Correlation Slope Chi-Square
Compute the statistic selected in a):
b) Obtain/compute the appropriate values to...

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