Question

# 200 people responded to a survey. Of those who had green eyes, 7 had blonde hair, 9 had brown hair and 2 had red hair. Of those who had brown eyes, 76 had blonde hair 89 had brown hair, and 17 had red hair. Construct a two-way table to display these data. Then identify the least common combination of eye and hair color. Explain.

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: people with green eyes and red hair are least.

### Answer:

- Two-way frequency chart:

Blonde hair

Brown hair

Red hair

Total

Green eyes

7

9

2

18

Brown eyes

76

89

17

182

Total

83

98

19

200

- Final Answer:

Hence, people with green eyes and red hair are least.

Blonde hair

Brown hair

Red hair

Total

Green eyes

7

9

2

18

Brown eyes

76

89

17

182

Total

83

98

19

200

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