Question Help State the conclusion based on the results of the test. According to the Federal Housing Finance Board, the mean price of a single-family home two years ago was $ 299 comma 300 299,300. A real estate broker believes that because of the recent credit crunch, the mean price has decreased decreased since then. The null hypothesis is not is not rejected. Choose the correct answer below. A. There is is sufficient evidence to conclude that the mean price of a single-family home has increased increased from its level two years ago of $ 299 comma 300 299,300. B. There is is sufficient evidence to conclude that the mean price of a single-family home has decreased decreased from its level two years ago of $ 299 comma 300 299,300. C. There is not is not sufficient evidence to conclude that the mean price of a single-family home has decreased decreased from its level two years ago of $ 299 comma 300 299,300. D. There is not is not sufficient evidence to conclude that the mean price of a single-family home has increased increased from its level two years ago of $ 299 comma 300 299,300.