UESTION 2

1. Provide an appropriate response. A researcher was interested in comparing the resting pulse rates of people who exercise regularly and people who do not exercise regularly. Independent simple random samples were obtained of 16 people agedwho do not exercise regularly and 12 people agedwho do exercise regularly. The resting pulse rate (in beats per minute) of each person was recorded. The summary statistics were as follows. The researcher used a pooled t-interval procedure to obtain a 90% confidence interval for the difference between the mean pulse rate of people who do not exercise regularly and the mean pulse rate of people who exercise regularly. The 90% confidence interval was found to be. Interpret this confidence interval.

   We can be 90% confident that the difference between the sample mean pulse rate of people who do not exercise regularly and the sample mean pulse rate of people who exercise regularly is somewhere between.

   There is a 90% chance that the difference between the sample mean pulse rate of people who do not exercise regularly and the sample mean pulse rate of people who exercise regularly will lie between.

   We can be 90% confident that the difference between the mean pulse rate of people who do not exercise regularly and the mean pulse rate of people who exercise regularly is somewhere between.

   There is a 90% chance that the difference between the mean pulse rate of people who do not exercise regularly and the mean pulse rate of people who exercise regularly will lie between.