Do males spend more time playing online games than females? A random sample of 100 males and females was selected. Let mꜰ be the population mean number of hours spent playing online games for females and let μₘ be the population mean number of hours spent playing online games for males.
How should we write the alternative hypothesis?
a) Ha: μₘ - mꜰ ≠ 0
b) Ha: μₘ - mꜰ = 0
c) Ha: μₘ - mꜰ < 0
d) Ha: μₘ - mꜰ > 0
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