A student wants to find out which of three snacks (crisps, fruit, biscuits) is most popular among 28 classmates. She asks each classmate in turn and records each answer as it is given:
Crisps, Fruit, Biscuits, Crisps, Crisps, Fruit, Biscuits, Crisps, Fruit, Crisps, Biscuits, Fruit, Crisps, Fruit, Biscuits, Crisps, Fruit, Crisps, Biscuits, Fruit, Crisps, Fruit, Biscuits, Crisps, Fruit, Crisps, Biscuits, Fruit
Complete a frequency table for this data, write down the mode, and work out how many more classmates chose crisps than chose biscuits.
(Total for Question 20 is 4 marks)