AP Stats Sem1 True False

If the variable has units, it is a quantitative variable.

• T

• F

If the distribution is skewed left, the median is less than the mean.

• T

• F

A boxplot can be described as "roughly normal".

• T

• F

You cannot tell if a distribution has peaks or gaps if you look only at a boxplot.

• T

• F

You can tell exactly where the mean is when looking at a boxplot.

• T

• F

When constructing a stemplot, you must include a key and any gaps in the data.

• T

• F

To calculate the range, you do NOT include the outliers in the calculations.

• T

• F

The interquartile range is a resistant measure of spread, but the standard deviation is not.

• T

• F

The statistic known as "the range" is a single number, not an interval.

• T

• F

When comparing two distributions, you must use comparative language like "greater than", "less than", "roughly the same", etc.

• T

• F