Displaying and summarizing Quantitative Data - Histograms

3 important questions on Displaying and summarizing Quantitative Data - Histograms

What does a histogram do?

By representing the counts as bars and plotting them against the bin values, the histogram displays the distribution at a glance.

What do gaps in a histogram mean?

Spaces in a histogram are actual gaps in the data, indicating a region where there are no values.

What is meant by a relative frequency histogram?

Replacing the counts on the vertical axis with the percentage of the total number of cases falling in each bin. 

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