Question 1The length of human pregnancy is known to have mean length of 268 days. A random sample of 64 pregnant women was selected and it was found that the average pregnancy length in that sample was 266 days. Which of the following is a true statement about this scenario? If a different random sample of 64 pregnant women were selected, the average pregnancy length in that sample would have to be also 266 days. A Both 268 and 266 are parametersB Both 268 and 266 are statisticsC 268 is a parameter and 266 is a statisticD The recorded sample average of 266 days is clearly a mistake. It must be 268 days just like the population mean.