Question

Which type of data display requires adding the values in rows and columns to “check” the numbers?


a dot plot


a histogram


a two-way table


a frequency table

Answer 1

The type of data display that requires adding the values in rows and columns to "check" the numbers is **a two-way table**. This type of table shows the frequency of different combinations of two categorical variables, and it often requires summing values in the rows and columns to verify the totals.