minutes spent on FB 35 65 155 185 305 335 Z SCORE -2.5 0 2 2.

minutes spent on FB3565155185305335Z SCORE-2.5-.2-.5022.5PERCENTLE RANK1025354550

75

A)MEAN OF TIME SPENT ON FBB)MEDIAN OF TIME SPENT ON FBC)PERCENT OF STUDENTS THAT SPENT BETWEEN 65 AND 185 MINUTES PER DAY ON FBD) NUMBER OF MINUTES PER DAY REPRESENTING THE 1ST DECILEE) SAMPLE STANDARD DEVIATIONF) IQRG) NUMBER OF MINUTES PER DAY FOR A Z SCORE OF 1.5H) THE NUMBER OF MINUTES PER DAY THAT IS 2.3 STANDARD DEVIATIONS BELOW THE MEANALL ANSWERS ROUNDED TO NEAREST TWO DECIMAL PLACES