Homework: Ch 10 HW: One Sample Hypothesis Test State the conclusion based on the results ot the test HW Score: 35.27%, 9.88 of 28 points Question 8, 10.1.33 O Points: O of 1 According to the Federal Housing Finance Board, the mean price ot a single-family home two years ago was S299,500. A real estate broker believes that because of the recent credit crunch, the mean price has decreased since then. The null hypothesis is rejected. Choose the correct answer below o B. o D. There is sufficient evidence to conclude that the mean price of a single-family nome has decreased trom ts level two years ago of $299,500. There is not sufficient evidence to conclude that the mean price ot a single-family nome nas decreased from its level two years ago ot S299,500. There is not sufficient evidence to conclude that the mean price ot a single-family nome nas increased trom its level two years ago ot S299,500. There is sufficient evidence to conclude that the mean price of a single-family nome has increased from its level two years ago ot S299,500.