Q1. Health Care Expenses: The mean annual expenditure per 25- to 34-year-old consumer for health care is $1468. This includes health insurance, medical services, and drugs and medical supplies. Students at a large university took a survey, and it was found that for a sample of 60 students, the mean health care expense was $1520, and the population standard deviation is $198. Is there sufficient evidence at = 0.01to conclude that their health care expenditure differs from the national average of$1468?