The effect of the time of day or psychology class is being taught on test scores is being studied in an experiment. The difficulty of test questions has been identified as an extraneous factors I could also affect test scores. How can the difficulty of test questions best be addressed to minimize affect in the experiment?

salary

step-by-step explanation:

ur right ive taken the test

step-by-step explanation:

46

step-by-step explanation:

given

height = 168 cm

formula

height =2.47*f+54.13

solution

168 = 2.47f + 54.13             subtract 54.13 from both sides

168 - 54.13   = 2.47f             combine

113.87 = 2.47f                     divide by 2.47

113.87 / 2.47 = f                   combine

46.1 = f  

answer: 46 cm