Second Class - Frequency Distribution

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7 Terms

1
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Relative Frequency is found by….

Dividing frequency with the total.

(Total frequency needs to add up to 1)

2
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Approximate Data Width

is the range divided by the number of classes.

Larges Value - Smallest value / by the number of classes

3
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Cumulative Frequency Distribution

is a table or graph that displays the total number of observations below or above certain values in a dataset. It helps to understand the accumulation of frequencies.

Count occurancesfor each class interval until the last.

4
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You use a Histogram to illustrate…

A Frequency Distribution

5
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Histograms provide useful information about….

The shape of the distribution, can be symmetric, or can be skewed

6
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<p>This Image is skewed…</p>

This Image is skewed…

To the right

7
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<p>This image is skewed…</p>

This image is skewed…

To the left