Provide descriptive statistics for your program. How many males and how many females were enrolled in your program? (Give n and % for each.) Give the mean, median, standard deviation, minimum, and maximum for the GRE Math Post variable separately for each section of the course (homework/no homework; round to two decimal places). Did students’ scores on the GRE Math exam improve after the course, compared to their scores before the course? What type of t-test should you use to answer this question? Provide the following statistics from your output: t-value = Degrees of Freedom = p-value = Mean Difference = 95% Confidence Interval = ( , ) Cohen’s d = Data Age Sex (M=1, F=2) GRE Math Pre Homework (Y=1, N=0) GRE Math Post Satisfaction 17 1 134 1 154 8   20 2 145 1 145 6   19 2 149 1 152 7   22 2 144 1 150 5   22 1 154 1 163 2   23 1 153 1 154 10   25 2 160 1 161 10   18 2 152 1 147 7   21 2 152 1 167 8   20 1 130 1 166 8   37 1 140 1 160 10   18 1 136 1 166 10   45 1 150 1 170 7   26 1 155 1 170 10   39 2 160 1 169 9   58 2 136 0 158 10   21 2 130 0 152 8   20 2 148 0 168 10   17 1 147 0 154 8   36 2 156 0 155 3   20 1 130 0 150 5   22 1 139 0 150 8   27 1 138 0 148 9   21 2 140 0 149 6   23 2 167 0 166 8   24 2 158 0 142 10   40 1 143 0 155 5   21 2 155 0 160 10   20 1 139 0 145 4   19 2 142 0 152 9

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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  1. Provide descriptive statistics for your program.
    1. How many males and how many females were enrolled in your program? (Give n and % for each.)
    2. Give the mean, median, standard deviation, minimum, and maximum for the GRE Math Post variable separately for each section of the course (homework/no homework; round to two decimal places).
  2. Did students’ scores on the GRE Math exam improve after the course, compared to their scores before the course?
    1. What type of t-test should you use to answer this question?
    2. Provide the following statistics from your output:
      1. t-value =
      2. Degrees of Freedom =
      3. p-value =
      4. Mean Difference =
      5. 95% Confidence Interval = ( , )
      6. Cohen’s d =

Data

Age Sex (M=1, F=2) GRE Math Pre Homework (Y=1, N=0) GRE Math Post Satisfaction
17 1 134 1 154 8  
20 2 145 1 145 6  
19 2 149 1 152 7  
22 2 144 1 150 5  
22 1 154 1 163 2  
23 1 153 1 154 10  
25 2 160 1 161 10  
18 2 152 1 147 7  
21 2 152 1 167 8  
20 1 130 1 166 8  
37 1 140 1 160 10  
18 1 136 1 166 10  
45 1 150 1 170 7  
26 1 155 1 170 10  
39 2 160 1 169 9  
58 2 136 0 158 10  
21 2 130 0 152 8  
20 2 148 0 168 10  
17 1 147 0 154 8  
36 2 156 0 155 3  
20 1 130 0 150 5  
22 1 139 0 150 8  
27 1 138 0 148 9  
21 2 140 0 149 6  
23 2 167 0 166 8  
24 2 158 0 142 10  
40 1 143 0 155 5  
21 2 155 0 160 10  
20 1 139 0 145 4  
19 2 142 0 152 9  
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