Plate 9: The Marketing students conducted a survey to compare the length of time it took a male and a female student who belong to the same year level to review their lessons before taking the quarterly assessment in Statistics and Probability. The results of the survey were as follows:
Male
n₁=60
x₁ =5.75 hours
s₁ =1.5 hours
Female
n₂=60
x₂=7.25 hours
s₂=0.75hours
Test the claim, x₁ = x₂, at 0.05 level of significance
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