A shoe retailer decides to record the styles and sizes of shoes that his customers choose. He records this data for an entire year by keeping track of his customers' purchases.

Which statement accurately describes the type of data the shoe retailer is collecting?

The shoe retailer is gathering available data because customers tell him which shoe sizes and styles they prefer.

The shoe retailer is receiving available data on shoe sizes and styles from nearby shoe companies.

The shoe retailer is gathering raw data because he is recording shoe sizes and styles by himself.

The shoe retailer is receiving raw data on shoe sizes and styles from nearby shoe companies.