P.O.D. #7

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# P.O.D. #7 - PowerPoint PPT Presentation

P.O.D. #7. basic. 7 Houston students ran the Broad street run. Their times were 2.5, 2.0, 1.8, 2.8, 3.0, 12.5 and 2.5 hours. Find the mean, median, mode, and range of the data. Mean: 3.9. Median: 2.5. Mode: 2.5. Range:10.7. Which statistical measure best represents the race results?.

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P.O.D. #7

basic

7 Houston students ran the Broad street run. Their times were 2.5, 2.0, 1.8, 2.8, 3.0, 12.5 and 2.5 hours. Find the mean, median, mode, and range of the data.

Mean: 3.9

Median: 2.5

Mode: 2.5

Range:10.7

Which statistical measure best represents the race results?

Outliers

An outlier is a value that "lies outside" (is much smaller or larger than) most of the other values in a set of data.

For example in the scores 25,29,3,32,85,33,27,28 both 3 and 85 are "outliers".

Identify the outlier and describe how it effects the mean, median, mode and range:

The following table gives the math scores of6friends:

If the score of the outlier is not included, what is the mean score?

The mean if the outlier is not included is 83%