Histograms & Box Plots Quiz

What does a histogram show best?

The average score only

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The shape or spread of data across score ranges

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How many groups were tested

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The lowest and highest scores only

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What does a box plot help us see?

The total number of students tested

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The color of the bars in the graph

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The median and spread (IQR) of scores

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Which student scored the highest

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The interquartile range (IQR) tells us:

The difference between the largest and smallest scores

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How consistent or varied the scores are

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How many students passed the test

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Which group worked the hardest

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If Group A has a median of 74 and Group B has a median of 69, what does that mean?

Group B had more students

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Group A’s typical score is about 5 points higher

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Group B had higher variability

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Group A’s scores are unfair

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Why should both groups use the same bin width when creating histograms?

To make the graphs colorful

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To make the data look better

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To compare data fairly and accurately

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To make the bars taller

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What does a wider IQR suggest?

The data is more consistent

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There are fewer students

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Scores vary more between students

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Everyone scored about the same

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If Q1 = 58 and Q3 = 70, what is the IQR?

12

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18

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28

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58

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When we see differences between groups in test scores, we should focus on:

Blaming the students for low scores

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Finding who is “smarter”

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Understanding opportunity and resource gaps

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Ignoring the data

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In your own words, explain how graphs like box plots and histograms can help schools make fairer decisions about student supports.

This response will be awarded full points automatically, but it will be reviewed and possibly adjusted after submission.

In your own words, explain how graphs like box plots and histograms can help schools make fairer decisions about student supports.

This response will be awarded full points automatically, but it will be reviewed and possibly adjusted after submission.

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