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nadezda [96]
3 years ago
9

Using the following data, calculate the mean absolute deviation:

Mathematics
2 answers:
mojhsa [17]3 years ago
8 0

Answer:

The mean absolute deviation of first data is 2.54

and for second data is 2.115

Step-by-step explanation:

Mean of  data x_1,x_2,x_3,x_4,...x_{n} is calculated as:

mean=\frac{x_1+x_2+x_3+x_4+...+x_n}{n}

and mean absolute deviation is calculated as \sqrt{mean}

The given first data : 10 7 1 6 7 9 8 10 2 5

mean=\frac{x_1+x_2+x_3+x_4+...+x_n}{n}

mean=\frac{10+7+1+6+7+9+8+10+2+5}{10}

mean=6.5

mean absolute deviation \sqrt{6.5}=2.54

The given first data : 2   2.4   6.5   7

mean=\frac{x_1+x_2+x_3+x_4+...+x_n}{n}

mean=\frac{2+2.4+6.5+7}{4}

mean=\frac{17.9}{4}

mean=4.475

mean absolute deviation \sqrt{4.475}=2.115

Therefore, the mean absolute deviation of first data is 2.54

and for second data is 2.115

Bogdan [553]3 years ago
3 0
First set of data:
Mean - 6.5
Absolute deviation - 2.4

Second set of data:
Mean - 4.475
Absolute deviation - 2.275
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