1. Based on this table, how would you write the results of the t test for total units earned in the row Students on Pell? Please include the mean, standard deviation, t test results with degrees of freedom (df), p value, and Cohen’s dfrom the same row. Note: you can calculate df based on the information in the table and df is different for t tests compared to z tests. Only one t value was reported to have a p value that almost was not significant. Which t value in the table was close to not being significant? a. The t value for total units earned in the row for Total. b. The t value for total units earned in the row for Students on Pell. c. The t value for total GPA in the row for First-generation college students. d. The t value for time to degree (years) in the row for First-generation college students. Based on the sample sizes of students not employed on campus and students employed on campus, the df for the t tests in the row for First-generation college students is equal to what? a. df = 5245 + 2120 = 8365 b. df = 5245 + 2120 – 2 = 8363 c. df = 6245 – 1 = 6244 d. df = 2120 – 1 = 2119 Decide whether the following statement is true or false. The total units earned in the row for Total is not significantly different between students employed off- or on-campus. a. Enter your response here. Based on the effect size (AKA Cohen’s d) for time to degree (years) in the row for Total (d = .15), how would you describe the magnitude of Cohen’s d? a. Small b. Medium c. Large d. Cannot determine based on the information available.

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Description: 1. Based on this table, how would you write the results of the t test for total units earned in the row Students on Pell? Please include the mean, standard deviation, t test results with degrees of freedom (df), p value, and Cohen’s dfrom the same ro

MATLAB: An Introduction with Applications

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ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

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1. Based on this table, how would you write the results of the t test for total units earned in the row Students on Pell? Please include the mean, standard deviation, t test results with degrees of freedom (df), p value, and Cohen’s dfrom the same row. Note: you can calculate df based on the information in the table and df is different for t tests compared to z tests.

Only one t value was reported to have a p value that almost was not significant. Which t value in the table was close to not being significant?

a. The t value for total units earned in the row for Total.

b. The t value for total units earned in the row for Students on Pell.

c. The t value for total GPA in the row for First-generation college students.

d. The t value for time to degree (years) in the row for First-generation college students.

Based on the sample sizes of students not employed on campus and students employed on campus, the df for the t tests in the row for First-generation college students is equal to what?

a. df = 5245 + 2120 = 8365

b. df = 5245 + 2120 – 2 = 8363

c. df = 6245 – 1 = 6244

d. df = 2120 – 1 = 2119

Decide whether the following statement is true or false. The total units earned in the row for Total is not significantly different between students employed off- or on-campus.

a. Enter your response here.

Based on the effect size (AKA Cohen’s d) for time to degree (years) in the row for Total (d = .15), how would you describe the magnitude of Cohen’s d?

a. Small

b. Medium

c. Large

d. Cannot determine based on the information available.

4. In a report written for the office of institutional research at a 4-year institution in
Southern California, the researchers compared student success of first-time freshman
students employed on campus and of students not employed on campus. The results
of their analyses were reported in the following table.
First-time Freshman
Not employed on campus Employed on campus t value p value Cohen's d
M
SD
M
SD
Total
n = 10,590
n = 3,529
Total units earned
135.13
13.87
137.31
15.03
-7.59 <.000
0.15
Time to degree (years)
5.23
1.39
5.11
1.23
5.05
<.000
0.09
Total GPA
2.98
0.44
3.05
0.46
-7.29 |<.000
0.16
Students on Pell
n = 5,854
n = 1,999
Total units earned
135.86
13.04
138.21
13.94
-6.62 |<,000
0.17
3.70 <.000
-3.61 <.000
Time to degree (years)
5.23
1.18
5.13
1.02
0.09
Total GPA
2.96
0.43
3.00
0.45
0.09
First-generation college students
n = 6,245
n = 2,120
-6.35 <.000
1.94 0.049
-3.97<.000
Total units earned
135.48
13.22
137.70
14.10
0.16
Time to degree (years)
5.25
1.29
5.19
1.22
0.05
Total GPA
2.95
0.43
3.00
0.45
0.11

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