D Question 1 1 pts Fill in the blank. A point estimate is a single number that is used to estimate the value of an unknown D Question 2 1 pts The best point estimate of the population mean / is a D Question 3 1 pts We are trying to estimate an average score on the exam. We randomly selected 6 students from the class and their scores are: 87, 34, 98, 68, 77, 65. What is the point estimate of the average on the exam? D Question 4 1 pts The confidence interval is an interval that is used to estimate the value of a D Question 5 1 pts The confidence level is a percentage between 0% and 100% that measures the success rate of the method used to construct the confidence interval. If we were to draw many samples and use each one to construct a confidence interval, then in the long run, the percentage of confidence intervals that cover the true value would be equal to the D Question 6 1 pts If we construct 1000 confidence intervals for the population mean with 97% confidence level using the same method and not changing sample size, we expect of them to contain the true population mean