You may need to use the appropriate appendix table or technology to answer this question. Individuals...
You may need to use the appropriate appendix table or technology to answer this question. CCN and ActMedia provided a television channel targeted to individuals waiting in supermarket checkout lines. The channel showed news, short features, and advertisements. The length of the program was based on the assumption that the population mean time a shopper stands in a supermarket checkout line is 8 minutes. A sample of actual waiting times will be used to test this assumption and determine whether...
-6 points You may need to use the appropriate appendix table or technology to answer this question. Consider the following hypothesis test. ASWSBE 139E.011. 3. + Ho' μ-15 Ha: μ * 15 A sample of 50 provided a sample mean of 14.09. The population standard deviation is 3 (a) Find the value of the test statistic. (Round your answer to two decimal places.) (b) Find the p-value. (Round your answer to four decimal places.) p-value (c) At α-0.05, state your...
You may need to use the appropriate technology to answer this question. Consider the following hypothesis test. Hou 55 H: 4 < 55 A sample of 35 is used. Identify the p-value and state your conclusion for each of the following sample results. Use a = 0.01. (a) = 54 and 5 = 5.2 Find the value of the test statistic. (Round your answer to three decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value =...
44. You may need to use the appropriate technology to answer this question. Consider the follovring hypothesis test. A sample of 36 is used. Identify the p-value and state your conclusion for each of the following sample results. Use α = 0.01. (a)x44 and s5.1 Find the value of the test statistic. (Round your ansvwer to three decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value State your conclusion. O Do not reject Ho. There is...
You may need to use the appropriate appendix table or technology to answer this question. Consider the following hypothesis test. Ho: 41 - H2SO Ho: My - uz > 0 The following results are for two independent samples taken from the two populations. Sample 1 Sample 2 n = 40 n2 = = 50 * = 25.3 X = 22.8 0 = 5.9 92=6 (a) What is the value of the test statistic? (Round your answer to two decimal places.)...
Individuals filing federal income tax returns prior to March 31 received an average refund of $1,077. Consider the population of "last-minute" filers who mail their tax return during the last five days of the income tax period (typically April 10 to April 15 a. A researcher suggests that a reason individuals wait until the last five days is that on average these individuals receive lower refunds than do early filers Develop appropriate hypotheses such that rejection of Ho will support...
You may need to use the appropriate appendix table or technology to answer this question Consider the following hypothesis test H0: p = 0.20 Ha: p # 0.20 A sample of 400 provided a sample proportion p = 0.185 (a) Compute the value of the test statistic. (Round your answer to two decimal places.) (b) What is the p-value? (Round your answer to four decimal places.) p-value- (C) 0.05, what is your conclusion? 0 Reject H0. There is insufficient evidence...
You may need to use the appropriate appendix table or technology to answer this question. A study showed that 63% of supermarket shoppers believe supermarket brands to be as good as national name brands. To investigate whether this result applies to its own product, the manufacturer of a national name-brand ketchup asked a sample of shoppers whether they believed that supermarket ketchup was as good as the national brand ketchup. (a) Formulate the hypotheses that could be used to determine...
42. + -13 points ASWSBE14 9.E.013. You may need to use the appropriate appendix table or technology to answer this question. Consider the following hypothesis test. Hoius 50 Hu > 50 A sample of 60 is used and the population standard deviation is 8. Use the critical value approach to state your conclusion for each of the following sample results. Use a = 0.05. (Round your answers to two decimal places.) (a) x = 52.3 Find the value of the...
-6 points You may need to use the appropriate appendix table or technology to answer this question. Consider the following hypothesis test. ASWSBE 139E.011. 3. + Ho' μ-15 Ha: μ * 15 A sample of 50 provided a sample mean of 14.09. The population standard deviation is 3 (a) Find the value of the test statistic. (Round your answer to two decimal places.) (b) Find the p-value. (Round your answer to four decimal places.) p-value (c) At α-0.05, state your...