What is the range for following set of numbers: 15, 21, 57, 43, 11, 39, 56, 83, 77, 11, 64, 91, 18, 37

80

Step-by-step explanation:

Given in the question a set of number,

15, 21, 57, 43, 11, 39, 56, 83, 77, 11, 64, 91, 18, 37

The range of a set of data is the difference between the highest and lowest   values in the set.

To find the range, first order the data from least to greatest. Then subtract the smallest value from the largest value in the set.

Step 1

order the set

11 , 11 , 15 , 18 , 21 , 37 , 39 , 43 , 56 , 57 , 64 , 77 , 83 , 91

Step 2

subtraction

91 - 11

80  

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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