# Question: In order to test if the population mean differs from

In order to test if the population mean differs from 16, you draw a random sample of 32 observations and compute the sample mean and the sample standard deviation as 15.2 and 0.6, respectively. Use

(a) The p-value approach and

(b) The critical value approach to implement the test at a 1% level of significance.

(a) The p-value approach and

(b) The critical value approach to implement the test at a 1% level of significance.

**View Solution:**## Answer to relevant Questions

Consider the following hypotheses:H0: µ = 8HA: µ ≠ 8The population is normally distributed. A sample produces the following observations:Use the p-value approach to conduct the test at a 5% level ofsignificance.A local brewery wishes to ensure that an average of 12 ounces of beer is used to fill each bottle. In order to analyze the accuracy of the bottling process, the bottler takes a random sample of 48 bottles. The sample mean ...A recent study found that consumers are making average monthly debt payments of $983 (Experian.com, November 11, 2010). The accompanying table shows a portion of average debt payments for 26 metropolitan areas. The complete ...In order to conduct a hypothesis test of the population proportion, you sample 320 observations that result in 128 successes. Use the p-value approach to conduct the following tests at α = 0.05.a. H0: p ≥ 0.45; HA: p < ...A politician claims that he is supported by a clear majority of voters. In a recent survey, 24 out of 40 randomly selected voters indicated that they would vote for the politician. Is the politician’s claim justifiable at ...Post your question