Basic Math Examples

49

$49$ ,

66

$66$ ,

62

$62$ ,

41

$41$ ,

46

$46$ ,

53

$53$

Step 1

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

\frac{49 + 66 + 62 + 41 + 46 + 53}{6}

$\frac{49 + 66 + 62 + 41 + 46 + 53}{6}$

Step 2

Simplify the numerator.

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Step 2.1

Add

49

$49$ and

66

$66$ .

\frac{115 + 62 + 41 + 46 + 53}{6}

$\frac{115 + 62 + 41 + 46 + 53}{6}$

Step 2.2

Add

115

$115$ and

62

$62$ .

\frac{177 + 41 + 46 + 53}{6}

$\frac{177 + 41 + 46 + 53}{6}$

Step 2.3

Add

177

$177$ and

41

$41$ .

\frac{218 + 46 + 53}{6}

$\frac{218 + 46 + 53}{6}$

Step 2.4

Add

218

$218$ and

46

$46$ .

\frac{264 + 53}{6}

$\frac{264 + 53}{6}$

Step 2.5

Add

264

$264$ and

53

$53$ .

\frac{317}{6}

$\frac{317}{6}$

\frac{317}{6}

$\frac{317}{6}$

Step 3

Divide.

52.8 ¯ 3

$52.8\overline{3}$

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.

52.8

$52.8$