An automobile

An automobile club reported that the average price of regular gasoline in a certain state was $2.61 per gallon. The following data show the price per gallon of regular gasoline for 15 randomly selected stations in the state. Complete parts a through c below. 2.54 2.66 2.59 2.53 2.62 2.69 2.64 2.62 2.54 2.51 2.75 2.53 2.63 2.61 2.72 The 95% confidence interval to estimate the average price per gallon of gasoline in the state is from $ to S (Round to the nearest cent.) b. Do the results from this sample validate the automobile club's findings? O A. Since the population mean, $2.61, is contained within the 95% O B. Since the population mean, $2.61, is not contained within the 95% confidence interval, it can be said with 95% confidence that the sample confidence interval, it can be said with 95% confidence that the sample validates the automobile club's findings. validates the automobile club's findings. O C. Since the population mean, $2.61, is not contained within the 95% O D. Since the population mean, $2.61, is contained within the 95% confidence interval, it can be said with 95% confidence that the sample confidence interval, it can be said with 95% confidence that the sample does not validate the automobile club's findings. does not validate the automobile club's findings.e. What assumptions need to be made about this population? C} A. The only assumption needed is that the population distribution is approximately normal. C) E. The only assumption needed is that the population standard deviation is known. C} C. The only assumption needed is that the population distribution is approximately uniform. O D. No assumptions are required