All of the following are true regarding increasing sample size except:-: (A) Decreases power of test, (B) Standard error of mean decreases, (C) Decrease in Confidence interval, (D) Decreases alpha error
Answer is A. Increase in sample size leads to: Decrease in Confidence interval i.e., gives more precise estimates. Decrease in Alpha error i.e, less chance of type 1 error. Decrease in Standard error of mean. Increase in Power of test.