Question: A sample of10 students took a class designed to improve their SAT math scores. Following are their scores before and after the class. Can you
A sample of10 students took a class designed to improve their SAT math scores. Following are their scores before and after the class. Can you conclude that the mean increase in scores differs from 15 points? Let 1 represent the mean score after the class and d=1- 2. Use the = 0.05 level and the P-value method with the table.
ScoreBefore:
440
334
378
467
470
473
408
433
478
502
After:
466
368
396
488
489
474
407
434
490
508
Compute the test statistic. Round the answer to at least three decimal places.
Step by Step Solution
There are 3 Steps involved in it
Get step-by-step solutions from verified subject matter experts
