Question

A random sample of 100 workers from South side India showed their mean wages are $47/week with a σ of $28. A random sample of 1500 workers from North side India showed their mean wages to be$49/week with σ of $40. Is there any significant difference between their mean wages?​

Answer 1

Answer:

We are given, n1 = 1000, = 47 and s1 = 28, n2=1500, = 73.9 and S2=17.9 Null Hypothesis (H0): H0:μ1=μ2 i.e., there is no significant difference between their mean level of wages Alternative Hypothesis (H1): H1: μ1≠μ2 (Two tailed test) i.e., there is a significant difference between their mean level of wages. Level…