Design a single sampling plan that comes close to having a producer's risk of 0.05 at AQL= 2% nonconforming and consumer's risk of 10% at RQL=6% nonconforming.
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- The Excel file Room Inspection provides data for 100 room inspections at 25 hotels in a major chain. Management would like the proportion of nonconforming rooms to be less than 2%. Test an appropriate hypothesis to determine if management can make this claim.Please don't provide handwritten solution .....According to the ANOVA, should the set of three means for adolescents on “Physical appearance” be declared to be statistically significant? Explain.
- Cadmium, a heavy metal, is toxic to animals. Mushrooms, however, are able to absorb and accumulate cadmium at high concentrations. A government set a safety limit for cadmium in dry vegetables at 0.5 parts per million (ppm). The cadmium levels in a random sample of one species of edible mushroom are in the accompanying data set. At the 1% significance level, do the data provide sufficient evidence to conclude that the mean cadmium level in this species of mushroom is greater than the government's recommended limit of 0.5 ppm? Assume that the population standard deviation of cadmium levels in this species of mushroom is 0.39 ppm. Preliminary data analyses indicate that applying the z-test is reasonable. (Note: The sum of the data is 6.76 ppm.) State the hypotheses for the one-mean z-test. H0: μ (≠, >, <, =) ________ppm Ha: μ (≠, >, <, =) _________ppmCadmium, a heavy metal, is toxic to animals. Mushrooms, however, are able to absorb and accumulate cadmium at high concentrations. A government set a safety limit for cadmium in dry vegetables at 0.5 parts per million (ppm). The cadmium levels in a random sample of one species of edible mushroom are in the accompanying data set. At the 1% significance level, do the data provide sufficient evidence to conclude that the mean cadmium level in this species of mushroom is greater than the government's recommended limit of 0.5 ppm? Assume that the population standard deviation of cadmium levels in this species of mushroom is 0.34 ppm. Preliminary data analyses indicate that applying the z-test is reasonable. (Note: The sum of the data is 7.07 ppm.) Click here to view the cadmium concentration data. Click here to view Page 1 of the table of areas under the standard normal curve. Click here to view Page 2 of the table of areas under the standard normal curve. State the hypotheses for the…Cadmium, a heavy metal, is toxic to animals. Mushrooms, however, are able to absorb and accumulate cadmium at high concentrations. A government set a safety limit for cadmium in dry vegetables at 0.5 parts per million (ppm). The cadmium levels in a random sample of one species of edible mushroom are in the accompanying data set. At the 10% significance level, do the data provide sufficient evidence to conclude that the mean cadmium level in this species of mushroom is greater than the government's recommended limit of 0.5ppm? Assume that the population standard deviation of cadmium levels in this species of mushroom is 0.45 ppm. Preliminary data analyses indicate that applying the z-test is reasonable. (Note: The sum of the data is 6.57 ppm.) 0.32 0.44 0.17 0.23 0.79 1.21 0.84 0.24 0.46 0.41 0.92 0.54 State the hypotheses for the one-mean z-test.H0: μ (≠, >, <, =) ________ppmHa: μ (≠, >, <, =) _________ppmCompute the value of the test…
- A financial analyst conducted a test to determine whether the rates of return per share of Netflix stock exceeded the rates of return per share of Microsoft stock over the last 15 quarters, on average. Assuming equal population variances, if the calculated value for the associated test statistic equalled -1.9921, what did the p-value equal?In 2006, the average household debt service ratio for homeowners was 14.35. The household debt service ratio is the ratio of debt payments to disposable personal income. Debt payments consist of mortgage payments and payments on consumer debts. To determine whether this economic measure has increased a random sample of Americans was drawn. Can we infer from the data that the debt service ratio has increased since 2006? Use a 5% significance level. ONLY USE EXCEL AND PLEASE SHOW ALL STEPS AND EXCEL COMMANDS. Debt ratio 13.93 17.35 16.37 18.15 14.22 11.4 14.77 13.8 16.1 11.58 13 17.57 13.57 11.76 14.32 10.87 13.72 10.13 9.51 18.1 10.26 14.92 9.61 13.5 13.43 9.79 18.92 15.28 13.43 3.09 16.37 17.41 14.66 12.11 10.31 13.95 16.09 13.03 14.22 20.57 13.61 14.89 13.69 17.3 16.39 16.3 9.3 17.06 11.32 9.63 10.19 15.49 14.69 16.09 7.91 12.76 11.66 18.31 16.57 11.69 6.19…
