Question

20 pts possible Grade point averages. Find the mean and median for the grouped data in the following table. Interval 235-255 Frequency 10 TU 12 265-215 1335-38 13 37 ed mean = (Round to two decimal places) median (Round to two decimal places.) Enter your answer in each of the answer boxes 12:09 AM 7/2020 Priser Insert Delete F12 F11 F10 Fe F9 F6 F7 (F4 FS
please help! dont understand

Answer 1

Sol criven, gonterval! - frageney 1-65-2015 10 lale lenow that, 2.15-2.35 11 2:35 - 8.55 13 mean = sum of all date no data 2-55 -2.75 of 12 8 ju 10 +17+13 +12 +8+7+4+3+3+1 2.75 -2.95 2.95 - 3.15 3.15 - 3.35 7 10 78 = 7.80 $. 3.35 - 3.55 3 10 3.5S - 3-75 3 3.75 3-95 mediam = when the observation is assonged in the accending of decending order and after that the value which is obtained in mid called median. mediam = middle value of the figure when it anange cending decending ader order 2-e. in acces og da So, In alce ecending 3 3 - u 12 13 17 7 8 10 midde value = 7.50 2 So, median 7+8 8 on In decending onder 17 13 12 10 3 3 1 7 4 middie Value : median = 8+7=7.50 7.50 of 2