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Exst 2201 Lesson 2.2
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Exst 2201 Lesson 2.2 Why is it important to look at the shape of a column of data before interpreting any statistics? ️To see if the data is unimodal, symmetrical, and without any exceptions. Why look at a chart to get shape information instead of looking at the data values themselves? ️A...

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  • September 23, 2024
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  • 2024/2025
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Exst 2201 Lesson 2.2
Why is it important to look at the shape of a column of data before interpreting any statistics? ✔️To
see if the data is unimodal, symmetrical, and without any exceptions.



Why look at a chart to get shape information instead of looking at the data values themselves? ✔️A
chart is needed to summarize the shape characteristic so that we can see it.



Match the two meanings below with their appropriate column titles in a frequency table. ✔️Count of
the data values in a category. -Frequency




Proportion of the data values in a category- Relative Frequency



picture ✔️



Which of the following answers is NOT one of the first three columns in a frequency table?
✔️Cumulative Frequency.



picture ✔️



In the frequency table below, what is the cumulative frequency and the cumulative relative frequency
for the category Jun? ✔️160.0 and 1.0



What type of graph is most appropriate to use to display the shape of qualitative data? ✔️A bar chart
where the bars do not touch each other.



A Pareto chart just a bar chart with the bars rearranged from the highest bar to the lowest bar. ✔️true



What type of graph is most appropriate to use to display the shape of discrete data? ✔️A histogram
where the bars do touch each another.

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