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I am attaching the question in picture Two random samples of 40 students were drawn from 2 populations. x1= 76, x2=73, s1=8, s2= 7 alpha=

I am attaching the question in picture

Two random samples of 40 students were drawn from 2 populations. x1= 76, x2=73, s1=8, s2= 7

alpha= 5%. Can we infer that the means differ?

I am not able to understand the interpretation

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