The school in question 1 above also gives out the following questionnaire to the students. 

Please tick the appropriate box for each question. 

● What year are you in? 

7 Year____.

8 Year____. 

9 Year____.

10 Year____.

11 Year____. 

● What gender are you?

Male____.

Female____.

● On average, how many times a week do you eat in the school canteen?

Never____.

Once____.

Twice____.

3 times____. 

4 times____.

Every day____. 

● If you have eaten in the canteen, how would you rate the food?

Excellent____.

Good____.

Satisfactory____.

Poor____.

● What food would you like to see on sale in the canteen? (Tick more than one box if needed.)

Pizza____.

Pasta____.

Chicken____.

Curry Fish____.

Vegetarian____.

Salad Fruit____.

Other____.

● How much would you be prepared to pay for a meal in the canteen?

Less than $2____.

Between $2 and $4____.

More than $4____.

a. Give two benefits of using the questionnaire above. Justify your choices.

b. Give two drawbacks of using the questionnaire. Justify your choices.

c. If you were designing the questionnaire, what additional questions would you ask?

d. The school has 1500 students. The questionnaire is given out to 20 students. Give one criticism of this. Justify your answer.

e. What might be a good sample size for this questionnaire? Justify your answer.