According to the test 0 is not plausible value for the difference between the population means.
What is population mean?
There are various mean types in mathematics, particularly in statistics. Each mean serves to summarize a specific set of data, frequently to help determine the overall significance of a specific data set.
We have
n1 = 504, x f = 3.13
n2 = 400, x m = 2.87
(a) Hypothesis: H0: μf = μm V/s H1: μf ≠ μm
Yes, because according to the test 0 is not plausible value for the difference between the population means.
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