Question

Arrange the 20 scores in ascending order. Calculate the Range, Mean, Median, Mode, Variance and SD using the method demonstrated in class for working with grouped data. Calculate the Z score for the student who has scored 46/50 and the one who has scored 15/50. Draw a NPC and plot the scores in relation to the mean and SD. 15, 25, 33, 48, 25, 31, 19, 11, 25, 9,43, 29, 31, 46, 49, 17, 27, 28, 41, 44​

Answer 1

Answer:

31, is it possible to get the best