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Pearson Algebra 1 Common Core, 2011

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Pearson Algebra 1 Common Core, 2011 View details

3. Measures of Central Tendency and Dispersion

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Exercise 1 Page 742

It may be easier to calculate the mean, median, and mode if you rearrange the numbers first.

$Mean \approx 26.167$
$Median = 30.5$
$Mode = 33$
$Best Measure :$ median

Practice makes perfect

The first thing that should be done when finding the key features of a data set is rearranging the numbers from least to greatest.

1, 29, 30, 31, 33, 33

Let's proceed to finding the mean, median, and mode.

Mean

The mean of a data set is calculated by finding the sum of all values in the set and then dividing by the number of values in the set. In this case, there are

6

values in the set.

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Subchapter links

Lesson Check p.742

Practice and Problem-Solving Exercises p.742-744

Standardized Test Prep p.744

Mixed Review p.744