Question

ten friends scored the following marks in their end of year maths exam: 23 37 45 49 63 63 70 72 82. What was the mean deviation of their marks

Answer 1

Answer:

50.4

Step-by-step explanation:

mean is just another way for syaing average

all the numbers added = 504

dived it by the number of scores

504 divided by 10 = 50.4