Maths-
General
Easy

Question

A survey is conducted among school students. 70 students are randomly selected, and they are asked whether they prefer dogs, cats, or other pets. In the survey, 20 boys preferred dogs, 18 boys preferred cats, 7 boys preferred other pets, 13 girls preferred dogs, 7 girls preferred cats and 5 girls preferred other pets. Construct a two-way frequency table for the above 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: 45,25,70


    Answer:
    • Two-way frequency chart: 

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