A researcher wonders if gender and liking for statistics are related. She collects the following data: Male Like-23 Dislike- 14 Female Like-9 Dislike-15 What is the expected value for male who dislike statistics?
Ans: Like Dislike Total
Male 24 11 35
Female 7 14 21
Total 31 25 56
Total number of person dislike statistics is 25
The probability that male dislike statistics is 11/25 =0.44
The expected value for male who dislike statistics is value * probability
=11* 0.44
=4.84
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