For Twenty Days a Record Store Owner Counts the Number

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