Question

Calculate the 5-number summary of the skewed dataset 15, 16, 16, 17, 17, 18, 18, 18, 19, 19, 29. When constructing the box plot on a number line, which explains a reason why the dataset is skewed?

The 5 numbers in the summary are equally spread apart.

The median is exactly in the middle of the box.

The right whisker is much longer than the left whisker.

The whiskers are the same length.
Answer
Calculate the 5-number summary of the skewed dataset 5, 6, 6, 7, 7, 8, 8, 8, 9, 9, 14, 16. Which of the following choices is quartile 3?

9

2.5

8

6.5
Answer
Which option is true about the outliers of the skewed dataset 5, 6, 6, 7, 7, 8, 8, 8, 9, 9, 14, 16?

The outliers of the dataset are 14 and 16.

There are no outliers in the dataset.

The only outlier of the dataset is 16.

The outliers of the dataset are 5, 14, and 16.
Answer
A stock analyst is comparing the interquartile range of the day’s stock prices of Stock A and Stock B. Stock A has an interquartile range of 3, and Stock B has an interquartile range of 11. What interpretation can be made from the interquartile range of each stock?

The price of Stock B is higher than the price of Stock A by 7.

The stock price for Stock B is higher than the price for Stock A.

Stock B has more variability than Stock A.

Stock A has more variability than Stock B.
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