Question

A class obtained the following scores on a test.
Test Score Frequency
90 2
80 5
70 10
60 3
50 3
40 2
Find the mean, the median, the mode, and the range for the class. (If an answer does not exist, enter DNE.)

2(90)+5(80)+10(70)+3(60)+3(50)+4(40)than divide by 25 =1616 for the mean
median is 70, mode 70, and range is 50.

Answer 1

my sum was 1770
divide that by 25 gave me a mean of 70.8

your mean of 1616 should have hit you as absurd.
range is correct,
your median and mode sound logical

Answer 2

Thank you for your Help it is greatly appreciated. Have a great day