Health Care Premiums. Use the following information for Exercises 69–71. The National Conference of State Legislatures reports that the mean annual premium for employer-sponsored family health insurance coverage was $16,351 in 2014. A random sample of 100 such families showed a mean annual premium of $17,251. Assume .
69. Test whether the population mean annual premium is greater than $16,351, using level of significance .
9.3.69
. We will reject if the . . . The is . Therefore we reject . There is evidence at level of significance that the population mean annual premium for employer-sponsored family health insurance coverage has increased from $16,351.