Hi Can you please help me with question below?. I am not sure of which formula to use.

Thanks.

Gelsix

Q 13. Two new drugs are being compared for effectiveness in lowering total cholesterol levels. On a sample of 10 subjects, drug A is found to lower total cholesterol by an average of 75 mg/dl with SS=2025. On a sample of 20 subjects, drug B lowered the mean cholesterol level by 80mg/dl with SS=2736.Use a 0.05 level of confidence to test the claim that the two drugs are equally effective.

a)State the null hypothesis: two drugs have the same effect on cholesterol levels.

b)State the alternative hypothesis: two drugs do not have the same effect on cholesterol levels.

c)State the critical t value

d)State the t statistic

e)State your decision about H_o

f)State your conclusion about the claim