I need help with this question please. please show workings per question.
I need help with this question please. please show workings per question. thank you
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The results of sampling independent populations:
sample 1 from @pulation 1 u mean 1000
a sample standard deviation 400
a sample size 50 sample 2 from flpulation 2 a mean 1250
a sample standard deviation 500
a sample size F5 Test the H0: populationl mean = population2 mean at u = 0.01. HA: populationl mean a!
populationZ mean. This is a two-tailed test with both a negative lower critical value and a
positive upper critical value. Separate variances is assumed.
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