Statistics Examples

$1$ , $4$ , $14$

Step 1

The mean of a set of numbers is the sum divided by the number of terms.

$μ = \frac{1 + 4 + 14}{3}$

Step 2

Simplify the numerator.

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Step 2.1

Add $1$ and $4$ .

$μ = \frac{5 + 14}{3}$

Step 2.2

Add $5$ and $14$ .

$μ = \frac{19}{3}$

Step 3

Divide.

$μ = 6.\overline{3}$

Step 4

The mean should be rounded to one more decimal place than the original data. If the original data were mixed, round to one decimal place more than the least precise.

$μ = 6.3$

Step 5

Arrange the terms in ascending order.

$M e d i a n = 1, 4, 14$

Step 6

The median is the middle term in the arranged data set.

$M e d i a n = 4$

Step 7

Since the mean is greater than the median, the data set is positively skewed.

Positively Skewed

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