For Twenty Days a Record Store Owner Counts the Number

question 19

Multiple Choice

For twenty days a record store owner counts the number of customers who purchase an album by a certain artist. The data and a dotplot of the data are shown below: Data set: 1, 3, 4, 4, 5, 6, 7, 2, 3, 4, 4, 5, 6, 8, 2, 3, 4, 5, 6, 7, 9
Which of the following statements can be made using the given information?

• A)On five of the twenty days observed by the record store owner, there were four albums by the artist purchased.
• B)The dotplot shows that this data has a roughly bell- shaped distribution.
• C)During the twenty days when the record store owner collected data, at least one album by the artist was purchased each day.
• D)All of these