Suppose the null hypothesis is not rejected. State the conclusion based on the r

Question

Suppose the null hypothesis is not rejected. State the conclusion based on the results of the test Three years ago, the mean price of a single-family home was $243,775. A real estate broker believes that the mean price has increased since then. Which of the following is the correct conclusion? There is sufficient evidence to conclude that the mean price of a single-family home has increased. There is not sufficient evidence to conclude that the mean price of a single-family home has increased. There is not sufficient evidence to conclude that the mean price of a single-family home has not changed. There is sufficient evidence to conclude that the mean price of a single-family home has not changed. the manufacturer of a certain engine treatment claims that if you add their product to your engine, it will be protected from excessive wear. An infomercial claims that a woman drove 6 hours without oil, thanks to the engine treatment. A magazine tested engines in which they adde the treatment to the motor oil, ran the engines, drained the oil, and then determined the time until the engines seized. Complete parts (a) and (b) below. Determine the null and alternative hypotheses that the magazine will test. Both engines took exactly 16 minutes to seize. What conclusion might the magazine make based on this evidence? the infomercial's claim is true. the infomercial's claim is not true.

Explanation / Answer

1.

As Ho is rejected, then the broker is correct:

OPTION A: There is sufficient evidence to conclude that the eman price of a single family home has increased. [ANSWER]

**************************

2.

a)

Ho: u <= 6
H1: u > 6 [ANSWER]

b)

As 16 minutes is much less than 6 hours, and it is very consistent, then

OPTION B: The informercial's claim is not true.

Related Questions

Navigate

• Browse (All)
• Browse S
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.