Question

Que. Greater accuracy of estimation of parameters from sample data (i.e., smaller size of
confidence interval), is obtained, if,

A. lower significance level is required
B. higher is the relevant population variance
C. higher significance level is accepted
D. both A and B above​

Answer 1

Explanation:

The confidence level is equivalent to 1 – the alpha level. So, if your significance level is 0.05, the corresponding confidence level is 95%. If the P value is less than your significance (alpha) level, the hypothesis test is statistically significant

Answer 2

Answer:

A

Explanation:

lower significance level is required