12-4. Hot-Shot legal services is attempting to increase reading comprehension (RC) of its new hires. Fifteen of its first-year recruits are given a standard RC
12-4. Hot-Shot legal services is attempting to increase reading comprehension
(RC) of its new hires. Fifteen of its first-year recruits are given a standard RC test. After the test these individuals take a special course designed to enhance their RC and they are given a second RC test. The difference between the second and first sets of scores had a mean of 7 points and the standard deviation of the difference was 9 points. For α = 0.10, has the special course increased RC?
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