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Question

# In a survey, customer select item A or item B. Item A is selected by 20 males 10 females. Of 20 customers who select item B, five are males.

Construct a two-way frequency table to organize the data.

Hint:

- Categories are labelled in the left column and top row.
- The counts are placed in the centre of the table.
- Totals appear at the end of each row and column.
- A sum of all counts (a grand total) is placed at the bottom right.

## The correct answer is: 30,20,50

### Answer:

- Two-way frequency table:

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