SOL REVIEW 8.PS.2 f Understanding Boxplots and Outliers

How does the presence of an outlier affect the shape and spread of a boxplot?

• It makes the boxplot symmetrical.

• It increases the interquartile range.

• It skews the boxplot and affects the spread.

• It has no effect on the boxplot.

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VA.8.PS.2.f

What conclusion can be drawn if the median of a boxplot is closer to the lower quartile?

• The data is skewed to the right.

• The data is skewed to the left.

• The data is symmetrical.

• The data has no outliers.

Tags

VA.8.PS.2.g

When comparing two boxplots, what does it indicate if one has a much longer whisker on the right side?

• The data is more concentrated on the left.

• The data is more concentrated on the right.

• The data is symmetrical.

• The data has no outliers.

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VA.8.PS.2.h

Which graphical representation is best for showing the distribution of a single variable over a large range of values?

• Pictograph

• Bar graph

• Boxplot

• Circle graph

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VA.8.PS.2.i

What can be misleading about a bar graph?

• The width of the bars.

• The color of the bars.

• The scale of the axes.

• The number of bars.

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VA.8.PS.2.j

If an outlier is removed from a data set, what is the likely effect on the boxplot?

• The median will increase.

• The interquartile range will decrease.

• The whiskers will become longer.

• The box will become wider.

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VA.8.PS.2.f

In a boxplot, if the median is closer to the upper quartile, what can be inferred about the data?

• The data is skewed to the right.

• The data is skewed to the left.

• The data is symmetrical.

• The data has no outliers.

Tags

VA.8.PS.2.g

When comparing two boxplots, what does it mean if one has a larger interquartile range?

• It has more variability in the middle 50% of the data.

• It has less variability in the middle 50% of the data.

• It has more outliers.

• It is more symmetrical.

Tags

VA.8.PS.2.h

Which graphical representation is best for comparing parts of a whole?

• Line graph

• Circle graph

• Histogram

• Boxplot

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VA.8.PS.2.i

What can be misleading about a pie chart?

• The number of slices.

• The size of the slices.

• The color of the slices.

• The order of the slices.

Tags

VA.8.PS.2.j