Mathematics, 13.02.2021 02:00, sabrinarasull1pe6s61

SELECT ALL THE CORRECT ANSWERS A COMPANY IS TESTING A NEW PROTEIN SHAKE WHICH THEY CLAIM WORKS BETTER THAN THEIR EXISTING BRAND AND IMPROVING AN ATHLETE'S PERFORMANCE THE COMPANY SELECTED 60 ATHLETES FROM A TRAINING CAMP DATABASE AND DIVIDED THEM INTO THREE GROUPS THE AGES FOR THE GROUPS WERE 16 TO 20 YEARS 21 TO 25 YEARS AND 26 TO 30 YEARS IN EACH GROUP HALF OF THE SUBJECTS WERE ASKED TO USE THE NEW PROTEIN SHAKE FOR A MONTH AND THE OTHER HALF WERE ASKED TO USE THE COMPANY'S EXISTING BRAND FOR A MONTH THE SUBJECTS WERE NOT INFORMED ABOUT WHICH PROTEIN SHAKE THEY WOULD BE USING WHICH STATEMENTS ABOUT THE STUDY ARE TRUE?

A. THE STUDY USES RANDOM SAMPLING
B. THE STUDY USES BLOCKING ON THE BASIS OF GENDER
C. THE STUDY USES BLOCKING TO REDUCE VARIABILITY FROM KNOWN FACTORS
D. THE STUDY DOES NOT USE A CONTROL GROUP
E. THE STUDY USES A REPEATED MEASURE DESIGN TO REDUCE VARIABILITY FROM UNKNOWN FACTORS

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SELECT ALL THE CORRECT ANSWERS A COMPANY IS TESTING A NEW PROTEIN SHAKE WHICH THEY CLAIM WORKS BETT...