Q3 Minimum Sample Size"Super tasters" are people more likely to need milk and sugar in their coffee and may avoid strongtasting vegetables such as Brussel sprouts. We would like to estimate the percentage of peoplewho are super tasters using a margin of error of 0.045 with 95% confidence. What is the minimumsample needed to do so?Show your work on your own piece of paper. Then take a picture of that work and upload whereindicated.

Answered: Q3 mum Sample Size "Super tasters" are…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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comparison of the precisions of two machines developed for extracting juice from oranges is to be made using the following data. Is there sufficient evidence to indicate that there is a difference in the precision of the two machines at the 5% level of significance? Machine A Machine B s2 = 1.4 ounces2 s2 = 3.1 ounces2 n=25 n=20
The difference between the means for the following items are statistically significant. For which one is the significance at a higher level? Explain your answer.a.The difference for hugging each other.b. The difference for holding hands.
Cadmium, a heavy metal, is toxic to animals. Mushrooms, however, are able to absorb and accumulate cadmium at high concentrations. Some governments have a safety limit for cadmium in dry vegetables at 0.56 part per million (ppm). A research team measured the cadmium levels in a random sample of edible mushrooms, where the hypothesis test is to decide whether the mean cadmium level in the sample is greater than the governments' safety limit. The null and alternative hypotheses are H0: μ=0.56 ppm, Ha: μ>0.56 ppm. Complete parts (a) through (e) below. d. Now suppose that the results of carrying out the hypothesis test lead to nonrejection of the null hypothesis. Classify that conclusion by error type or as a correct decision if in fact the mean cadmium level in that type of mushrooms equals the safety limit of 0.56 ppm. Choose the correct answer below. A. type I error B. correct decision because a true null hypothesis is not rejected C. correct decision because…
Identify the type I error and the type II error that correspond to the given hypothesis. The percentage of households with Internet access is greater than 60%.
You can reduce the risk of a Type I error by using a larger sample. True or False?
To determine if their 1.50 centimeter bolts are properly adjusted, Norman & Mayer Manufacturing has decided to use an X-Chart which uses the range to estimate the variability in the sample. Table Control Chart Answer How to enter your answer (opens in r Step 1 of 7: What is the Center Line of the control chart? Round your answer to three decimal places. Period 1 2 3 4 5 6 Copy Table Tables Select the Copy Table button to copy all values. To select an entire row or column, either click on the row or column header or use the Shift and arrow keys. To find the average of the selected cells, select the Average Values button. ON obs1 obs2 1.45 1.52 1.55 1.51 1.51 1.50 1.50 1.53 1.46 1.53 1.52 1.54 1.51 1.50 1.50 1.52 1.46 1.47 1.52 1.53 1.53 1.54 1.53 1.53 1.53 1.53 1.54 1.48 1.54 1.49 1.53 1.50 7 1.46 1.46 1.54 1.48 1.49 1.51 8 1.47 1.48 1.51 1.51 1.53 1.50 9 1.50 1.54 1.54 1.53 1.53 1.49 10 1.54 1.49 1.55 1.51 1.51 1.50 Keypad Copy Table Average Values The average of the selected cell(s)…
The standard error of the sample mean is proportional to the square root of the sample size? true or false
The St. Louis Cardinals would like to improve their post season performance this year. They have hired you as a consultant to study the team during winter practice and help their analytics team to fine tune their on-field performance. Armed with your recent knowledge of sampling and estimation, you set to collect data and provide feedback to the team. How can you help the team from what you have learned in this chapter? Describe your sampling plan? What data would you like to collect, the parameter(s) of interest. How you would use the confidence interval to inform the team?
When you are testing the difference between two means, it is not important to distinguish whether the samples are independent of each other. True
Please help me I can’t solve this problem it’s so confusing me
Which best illustrates the distinction between statistical significance and practical importance? Multiple Choice "This year, 360 of 440 statistics students at Oxnard Technical College rented their textbooks, compared with 110 of 330 students last year. This is a significant increase." "Our new manufacturing technique has increased the life of the 80 GB USB AsimoDrive external hard disk significantly, from 240,000 hours to 250,000 hours." "In 50,000 births, the new vaccine reduced the incidence of infant mortality in Morrovia significantly from 14.2 deaths per 1000 births to 10.3 deaths per 1000 births." "The new Sky Penetrator IV business jet’s cruising range has increased significantly from 3,975 miles to 4,000 miles."
Pap smears are a diagnostic test used to detect cervical cancer. Although the test has high specificity, it also has low sensitivity. As a result, women have to be screened often. Using the definitions of sensitivity and specificity, explain why increased frequency of screening is needed when sensitivity is low and specificity is high.

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