# Mark’s scores on his first nine assignments are: 10,10,9,9,10,8,9,10,and 8. What are the mean, median, mode, and range of his scores?

##### 1 Answer

Apr 20, 2015

Mean

Median

Mode

Range

#### Explanation:

mean (average)

x tally mark frequency

10 |||| 4

9 ||| 3

8 || 2

Total f x

#= 40+27+16 = 83#

Total frequency

#= 9#

#= 9.22#

Given -

#10,10,9,9,10,8,9,10,and 8#

Arrange them in the ascending order

median

#= (9+1)/2=5# th item

#=9#

Mode = that item which occurs more umber of times

mode

Range = Largest Value - Smallest Value

range

Range = 2