Hey there! :) In order to find the perimeter, you must add all 4 sides. You first do 16.8 + 16.8 + 9.6 + 9.6 which is 52.8.
Hope it helps!
4 ÷ 4 + 4 – 4
B.
4 · 4 – 4 ÷ 4
C.
4 – 4 ÷ 4 – 4
D.
4 ÷ 4 + 4 + 4
Pens Frequency
0 4
1 5
2 8
3 4
4 3
5 1
A.2
B.3.5
C.4
D.5.5
The value of the mean of given data of pens is 4.
Add all of the numbers on the right and then divide by five.
Pens Frequency
0 4
1 5
2 8
3 4
4 3
5 1
The mean (average) of a data set is found by adding all numbers in the data set and then dividing by the number of values in the set.
Therefore the value of the mean of pens is 4.
To learn more about the mean visit:
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