Calculus and Above

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a. state the decision rule...

a. state the decision rule.

b compute the pooled estimate of the population variance

c. compute the test statistis

d atate your decision about the null hypothesis

e estimate the p-value

the null hypothesis are Ho u1 = u2 :H1 u1 equal sign w line thru u2

a random sample of 10 observations from one p[opulation revealed a sample mean of 23 and a sample mean deviation of 4. A randomn sample of 8 observations from another population revealed a sample mean of 2 an d a sample standard deviation of 5. At 0.5 significance level, is there a difference between the population means? YOU MUST SHOW ALL WORK ON HOW ANSWERS ARE CALCULATED .

b compute the pooled estimate of the population variance

c. compute the test statistis

d atate your decision about the null hypothesis

e estimate the p-value

the null hypothesis are Ho u1 = u2 :H1 u1 equal sign w line thru u2

a random sample of 10 observations from one p[opulation revealed a sample mean of 23 and a sample mean deviation of 4. A randomn sample of 8 observations from another population revealed a sample mean of 2 an d a sample standard deviation of 5. At 0.5 significance level, is there a difference between the population means? YOU MUST SHOW ALL WORK ON HOW ANSWERS ARE CALCULATED .

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