Hannahmariemolar99idn
Answered

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Scores of Joey in his mathematics tests.
82 75 92 96 78 82.
Range =________________
Mean deviation=__________​

Sagot :

Zither06idn

Answer:

range 75 - 96

mean deviation 21

Poncejemrevtayloridn

Answer:

Range =  21

Mean Deviation = 6.55

Step-by-step explanation for Range:

The range of a set of data is the difference between the highest and lowest values in the set. To find it, first order the data from least to greatest.

75 78 82 82 92 96

Then subtract the smallest value from the largest value in the set.

96(maximum value) - 75(minimum value) = 21

Step-by-step explanation for Mean Deviation:

First, find the average or mean.

(75 +78+ 82+ 82+ 92+ 96) ÷ 6 = 84.16

Second, find the value of the difference between the mean and each data point.

84.16 -75= 9.16

84.16 -78= 6.16

84.16-82= 2.16

84.16-82= 2.16

84.16-92= -7.84

84.16-96= -11.84

Then for each difference, take the absolute value.  Find the average or the mean of the differences found.

(9.16+6.16+2.16+2.16+7.84+11.84) ÷ 6 = 6.55

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