Which of the following are true for a confidence interval ci

Which of the following are true for a confidence interval (circle all that apply)?

a. The level of confidence is chosen by the person calculating the confidence interval.

b. A 99% confidence level indicates the data was collected very carefully.

c. A confidence interval always contains the true parameter.

d. Increasing the size of our sample will increase the confidence level.

Solution

a true

b false

c false

d false