Medicare Would Like to Test the Hypothesis That the Standard

Multiple Choice

Medicare would like to test the hypothesis that the standard deviation for the monthly rate for a one- bedroom assisted- living facility is more than $400. The correct hypothesis statement would be ______.

A) H₀: a² c 160,000; H₁: a² > 160,000
B) H₀: µ = 160,000; H₁: µ × 160,000
C) H₀: a² c 400; H₁: a² > 400
D) H₀: a c 400; H₁: a > 400