Are you a morning person, an evening person, or neither? Does this personality t

Question

Are you a morning person, an evening person, or neither? Does this personality trait affect how well you perform? A sample of 100 students took a psychological test that found 16 morning people, 30 evening people, and 54 who were neither. All the students then took a test of their ability to memorize at 8 A.M. and again at 9 P.M. You analyze the score at 8 A.M. minus the score at 9 P.M. What is the explanatory variable, and what type of variable is it? Test score, numerical Test score, categorical Morning or evening person, numerical Morning or evening person, categorical What is the response variable, and what type of variable is it? Test score, numerical Test score, categorical Morning or evening person, numerical Morning or evening person, categorical Calculate the following (use whole numbers):

Explanation / Answer

D) THE EXPLANATORY VARIABLE WILL BE THE MEAN THE VARIABLE WHICH EXPLAINS THE RESEACRH OF THE QUESTION, IN THIS QUSTION IT WILL BE MORNING OR EVENING PERSON AND THESE TWO ARE THE CATEGORY OF THE RESEACRH, THEREFORE OPTION D IS CORRECT

E) RESPONSE VARIABLE WILL BE THE TEST SCORE AS THIS WILL HELP TO DETERMINE THE CONCLUSION OF THE RESEACH AND IT WILL BE NUMERICAL, THEREFORE OPTION A IS CORRECT

F) K = 16

N = 30

DF1 = 16-1 = 15

DF2 = 30-1=29

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