Key words Variable Information Table Warm up Complete this magic square. Construct and complete two way tables for these questions a) Janice asks 100 students.

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Presentation transcript:

Key words Variable Information Table Warm up Complete this magic square. Construct and complete two way tables for these questions a) Janice asks 100 students if they like biology or chemistry or physics best. 38 of the students are girls. 21 of these girls like biology best. 18 boys like physics best. 7 out of the 23 students who like chemistry best are girls. Work out the number of students who like biology best. b). 56 students were asked if they watched tennis yesterday. 20 of the students are boys. 17 girls watched tennis yesterday. 32 students did not watch tennis yesterday One of these students is to be chosen at random. Write down the probability that the student chosen will be a boy who watched tennis yesterday. Give your answer as a fraction in its simplest form. Complete these two way tables Question 1 Question 2 Two way tables homework Year_____ Set on ______/Due on________ Types of data List 4 types of : a)Qualitative data b)Quantitative data Designed by missnmaths

Key words Variable Information Table Warm up Complete this magic square. Complete these two way tables Question 1 Question 2 Two way tables homework Year_____ Set on ______/Due on________ Types of data List 4 types of : a)Qualitative data b)Quantitative data Designed by missnmaths

Construct and complete two way tables for these questions a) Janice asks 100 students if they like biology or chemistry or physics best. 38 of the students are girls. 21 of these girls like biology best. 18 boys like physics best. 7 out of the 23 students who like chemistry best are girls. Work out the number of students who like biology best. 49 b). 56 students were asked if they watched tennis yesterday. 20 of the students are boys. 17 girls watched tennis yesterday. 32 students did not watch tennis yesterday One of these students is to be chosen at random. Write down the probability that the student chosen will be a boy who watched tennis yesterday. Give your answer as a fraction in its simplest form. 7/20 BiologyChemistryPhysicsTotal Boys Girls Total Watched tennis Did not watch tennis Total Boys Girls Total