The latest in the "You may be a redneck if . . . " genre has produced a simple questionnaire. If more than 80% of the questions are answered in accordance with redneck"philosophy" (e.g., "You may be a redneck if grade 4 was the best 5 years of your life") the test declares the respondent a redneck, but otherwise assumes that variation in the percentage of answers scored as redneck (including scores over 80%) is to be expected in people not actually rednecks. From that perspective, describe with reference to the test

(a) what corresponds to the criterion of the test?
(b) what would be a Type I error for the test?
(c) what would constitute a Type II error for the test? (d) what would correspond to the power of the test?

asked by simone

12 years ago

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The latest in the "You may be a redneck if . . . " genre has produced a simple questionnaire. If more than 80% of the questions are answered in accordance with redneck"philosophy" (e.g., "You may be a redneck if grade 4 was the best 5 years of your life") the test declares the respondent a redneck, but otherwise assumes that variation in the percentage of answers scored as redneck (including scores over 80%) is to be expected in people not actually rednecks. From that perspective, describe with reference to the test
 (a) what corresponds to the criterion of the test? 
 (b) what would be a Type I error for the test? 
 (c) what would constitute a Type II error for the test? (d) what would correspond to the power of the test?