The reliability coefficient of a test administered on a group of 250 adolescents was 0.83. The
mean score of the group was 31.5 and the SD was 11. For the given sample population, using the Rulon formula, find the missing value.
Palms are sweaty, knees weak, arms are heavy. Vomit on his sweater already, mom’s spaghetti. He’s nervous but on the…
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