Neilson 1 Checkpoint - Data collection and Sampling At a concert, 56% of people in the audience are female and 44% are male. a You want a representative sample of 60 people. How many people in your sample should be female 23/1 b male. 27 56 14 14 * 60 840 100 30 25 - 25 = 33.6 x 60 10 0 2 2 2 2 You want a representative group of five learners from a class. 26. LV 25 / 660 105 You ask the teacher to choose five learners. a Why could this sample be biased? might Because the teacher is picking a special /faronte b Describe two better ways to choose a sample. orEdit - use a google sheets and remeloment and organse 4-US - random picker / an app 3 A radio programme asks listeners to phone in and give their opinions of an insurance company. 72% of the people who phone have negative opinions of the company. a Why could this be a biased sample? might be them b Describe a better way to get a sample of opinions