In a researcher’s action research, she seeks to investigate whether a particular intervention works for teaching a mathematical concept. She organizes a diagnostic test (pre-test), taught with her intervention and then did a post-test. The recorded scores for ten students is in the table below: Student ID 01 02 03 04 05 06 07 08 09 10 Pre-test 66 49 63 70 71 65 75 88 87 51 Post-test 69 50 61 72 78 66 75 89 86 54 I. Draw a scatter plot for the observed scores and superimposed in it a least square regression line. ii. Compute the pearson product moment coleration for the two test and interpret your results.
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In a researcher’s action research, she seeks to investigate whether a particular intervention works for teaching a mathematical concept. She organizes a diagnostic test (pre-test), taught with her intervention and then did a post-test. The recorded scores for ten students is in the table below:
| Student ID | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Pre-test | 66 | 49 | 63 | 70 | 71 | 65 | 75 | 88 | 87 | 51 |
| Post-test | 69 | 50 | 61 | 72 | 78 | 66 | 75 | 89 |
86 |
54 |
I. Draw a
ii. Compute the pearson product moment coleration for the two test and interpret your results.
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