The molting point of each of 13 samples of a certain brand of hydrogenated veget

Question

The molting point of each of 13 samples of a certain brand of hydrogenated vegetable oil was determined, resulting in x = 93. Assume that the distribution of melting point is normal with standard deviation sigma = 3.2. (a) Test H_0: mu = 95 versus H_1: mu notequalto 951 using a two-tailed test with a significance level of 0.02. Use the P-value approach. (b) If the test in part (a) had been a left-tailed test instead of two-tailed, would you be more likely or less likely to reject the null hypothesis. Explain.

Explanation / Answer

z = (93 - 95)/(3.2/sqrt(13))

critical z = +/- 2.58

Hence, computed z (-2.253) is within (-2.58, +2.58). so we Fail to reject Ho.

=-2.253

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

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