level of significance XXXXXXXXXXPublic Health and Nutrition The Mayflower Health Insurance Company is conducting a survey of customers to estimate the number who have received a routine physical exam...

level of significance. 14.141 Public Health and Nutrition The Mayflower Health Insurance Company is conducting a survey of customers to estimate the number who have received a routine physical exam during the past year. A sample of customers was contacted by phone during the evening, and each was classified by exam (E) or no exam (N). The sequence of observations is given in the following table.

The head of the Ontario Medical Association recently suggested that companies should stop requiring a sick note from a doctor when an employee is ill and stays home.43 The practice of requiring a note is often demeaning and discouraging, and sick employees should stay home. A sample of Canadian companies was obtained, and each was classified as requiring a sick note (R) or not requiring any justification (N). The sequence of observations is given in the following table.