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Author Question: Why should a histogram contain no gaps between the bars but a bar chart may have gaps? What will ... (Read 138 times)

bobthebuilder

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on: Jun 24, 2018
Why should a histogram contain no gaps between the bars but a bar chart may have gaps?
 
  What will be an ideal response?

Question 2

Explain why it is appropriate to connect the points on a line graph, but the points on a scatter plot should not be connected.
 
  What will be an ideal response?


milbourne11

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Reply #1 on: Jun 24, 2018
Answer to Question 1

A histogram is used to convey the distribution of a quantitative variable. The horizontal axis represents the range of possible values for the variable of interest. The bars are joined together to form the distribution. A bar chart is used to illustrate a qualitative variable. By using gaps between the bars, the differences between the categories are more easily seen.

Answer to Question 2

A line chart is used to display data that are measured in sequence over time. The points are in a defined order. Connecting the points serves to illustrate any trend that may be present in the data. A scatter plot is used to show the relationship between two variables. The XY data points are plotted in a two-dimensional space. The order that the XY points are recorded is of no consequence, so connecting the points would be meaningless.


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bobthebuilder

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Reply #2 on: Jun 24, 2018
Thank you


milbourne11

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Reply #3 on: Jun 24, 2018
No problemo


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