Statistics for Psychology
This Test is to be completed by each enrolled student in the course, independently!
Statistics for Psychology PSYC 233 Test 3
INSTRUCTIONS: Enter the following data into your SPSS software and analyze them according to the demands of the question. Upload your results to the assignment portal. Submit 2 types of documents in response to each of the test questions. One document should be your SPSS results of your analysis, and the second should be your statement that explains your results. Where you are required to perform some computations, please show the mathematical steps you use to arrive at your answer and write a complete statement for each answer to get full credit.
You are reminded to exit SPSS after entering and analyzing each problem. Restart the software and enter the data for the next problem on a fresh worksheet. Before you upload each of the 4 documents corresponding to the questions, please make sure you name each document appropriately, for example Q1, Q2,… etc. Please post your responses to the test before the deadline expires.
1. The following represent the number of therapy sessions couples experiencing marital conflicts had with a family counselor, and the number of fights they recorded in their relationship in one year following therapy.
Therapy Sessions:
42; 23; 55; 31; 35; 16; 26; 28; 33; 58; 66; 32; 54; 13; 45; 54; 56; 23; 43; 56; 39; 34; 56; 67; 33; 35; 54
Post-therapy fights:
18; 15; 2; 19; 21; 19; 18; 30; 18; 7; 10; 19; 4; 19; 6; 2; 5; 22; 9; 5; 20; 22; 0; 2; 18; 20; 1
(i) Is there is a statistically significant correlation between the number of therapy sessions with the counselor, and the number of post-therapy fights recorded by the couples. Explain your answer.
(ii) If a couple attends 40 sessions of therapy with the counselor, how many fights are they expected to have following therapy?
(iii) If a couple attends 62 sessions of therapy with the counselor, how many fights are they expected to have following therapy?
2. The following represent the hours undergraduate seniors spend studying each week and their GPA
Hours:
40; 18; 35; 10; 28; 21; 33; 60; 25; 25; 29; 28; 50; 32; 34; 66; 12; 1; 34; 24; 17; 25; 6; 28; 5; 22; 9; 16; 8; 6
GPA
3.8; 2.6; 4.0; 1.8; 3.7; 2.6; 3.9; 4.0; 3.3; 1.9; 2.1; 1.9; 3.8; 2.5; 2.8; 3.9; 3.1; 2.5; 3.8; 3.4; 4.0; 3.7; 2.9; 1.8; 2.6; 3.6; 1.4;
2.5; 3.1; 2.3
(i) Is there is a statistically significant correlation between the number of hours a student studies a week, and their GPA?
Explain your answer.
(ii) If Shaniqua studies 14 hours, what is her expected GPA?
(iii) If Jamal studies 47 hours, what is his expected GPA?
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