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In the school canteen of an elementary school, a survey was conducted among pupils about their favourite food.

The results are shown in the following table:
Pancakes102
Fried cheese81
Spaghetti18
Sweet dumplings42
Chicken with rice30


Determine:
- the statistical population,
- the statistical unit and statistical variable,
- the size of the population.

Create a frequency distribution table and draw a pie chart.

Answer: What percentage of pupils prefer sweet food?

Final Answer:

s =  52.7473 %

Step-by-step explanation:

n=102+81+18+42+30=273  s=100 n102+42=100 273102+42=52.7473%



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