The accompanying table contains the data for the amounts (in oz) in cans of a certain soda. The cans are labeled to indicate that the contents are 20 oz of soda. Use the sign test and a 0.01 significance level to test the claim that cans of this soda are filled so that the medianamount is 20 oz. If the median is not 20 oz, are consumers being cheated?Click the icon to view the data.What are the null and alternative hypotheses?OA. Ho: Median volume = 20 ozH₁: Median volume #20 ozO C. Ho: Median volume = 20 ozH₁: Median volume < 20 ozFind the test statistic.Test statistic (Round to three decimal places as needed.)Find the P-value.P-value = (Round to four decimal places as needed.)Determine the proper conclusion. Choose the correct answers below.than the significance level,Since the P-value isthe null hypothesis. There isCO B. Ho: Median volume ≤20 ozH₁: Median volume = 20 ozO D. Ho: Median volume ≤20 ozH₁: Median volume > 20 ozevidence that the consumers are being cheated.More Info20.120.120.120.420.320.220.220.220.320.420.220.319.9Volume (in ounces)20.220.320.320.1Print20.320.220.120.319.819.719.920.419.720.220.120.420.120.220120.130320.220.220.219.920.5Done- X

Given Alpha=0.01 Median=20 oz n=36

Answered: The accompanying table contains the…

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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Suppose the null hypothesis is not rejected. State the conclusion based on the results of the test. Three years ago, the mean price of a single-family home was $243,712. A real estate broker believes that the mean price has increased since then. Which of the following is the correct conclusion? A. There is not sufficient evidence to conclude that the mean price of a single-family home has not changed. B. There is not sufficient evidence to conclude that the mean price of a single-family home has increased. C. There is sufficient evidence to conclude that the mean price of a single-family home has not changed. D. There is sufficient evidence to conclude that the mean price of a single-family home has increased.
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A marketing agency wanted to determine if a new commercial changed people's opinion about a company. They recruited n=30 participants to watch the commercial. First, everyone was givien a survey to determine their attitudes toward the company. Then, everyone watched the new commercial. Finally, they were given the same survey again and asked about their attitudes toward the comapny after seeing the commercial. The agency wanted to see if attitudes were changed by the commercial. What statistical test should they use?
The accompanying table gives amounts of arsenic in samples of brown rice from three different states. The amounts are in micrograms of arsenic and all samples have the same serving size. The data are from the Food and Drug Administration. Use a 0.05 significance level to test the claim that the three samples are from populations with the same mean. Do the amounts of arsenic appear to be different in the different states? Given that the amounts of arsenic in the samples from Texas have the highest mean, can we conclude that brown rice from Texas poses the greatest health problem? Click the icon to view the data. Arsenic Amounts Arkansas California Texas Determine the test statistic. 4.81 4.91 5.02 5.44 5.44 5.42 5.63 5.61 5.63 5.86 5.96 6.06 1.45 3.66 4.04 4.49 4.93 5.08 5.29 5.43 5.42 5.46 5.58 5.55 5.57 5.78 6.64 6.93 6.89 6.85 7.09 7.30 7.49 7.55 7.71 7.72 The test statistic is (Round to two decimal places as needed.) Print Done
123456789 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 < A B College High School 496 528 496 592 544 512 656 528 480 576 560 656 496 624 640 608 = 420 432 432 564 528 588 456 516 432 396 420 552 Data + с Part b Mean D Difference Between the Means Part d Significance Level (Alpha) E Can we reject the null hypothesis? (Enter "Can" or "Cannot") College Part c After reading these instructions delete all text in this shaded area. Use the XLMiner Analysis ToolPak to conduct your t-Test analysis. After deleting all text in this shaded area, set the output range in the ToolPak to the top left cell of this area (D8). Your t-Test output should fit into this shaded area. F 0.05 High School Formula H #N/A #N/A #N/A #N/A J K L
In a certain suburb, the mean house price in 2009 was $ 225,000. A real estate agent believes that the mean house price in that suburb has increased since 2009. Please state the null and alternative hypothesis.
You may need to use the appropriate technology to answer this question. The Wall Street Journal Corporate Perceptions Study 2011 surveyed readers and asked how each rated the quality of management and the reputation of the company for over 250 worldwide corporations. Both the quality of management and the reputation of the company were rated on an excellent, good, and fair categorical scale. Assume the sample data for 200 respondents below applies to this study. Reputation of Company Quality of Management Excellent Good Fair Excellent 40 25 8 Good 35 35 10 Fair 25 10 12 (a) Use a 0.05 level of significance and test for independence of the quality of management and the reputation of the company. State the null and alternative hypotheses. O H: Quality of management is independent of the reputation of the company. H: Quality of management is not independent of the reputation of the company. O H: Quality of management is independent of the reputation of the H: The proportion of companies…
An online shop owner believes that 85% of her customers will want to go into a real store. She surveyed 50 customers and 39 said they want to visit a store. Is the owners claim correct? Use a 0.01 level of significance.
Answer and explain your answer corectly. i ll rate accordingly.
The Bureau of Labor Statistics reports that the official unemployment rate for Black people was 10.4% and 4.7% for White people in February 2015. Select all correct answers for this question. O The samples of white and black people are independent. The explanatory variable is the unemployment rate. The response variable is the unemployment rate. The response variable is race.
Write the null and hypothesis for this test.
A researcher gathered a sample of participants who volunteered for a studying of phobias. She measured anxiety level of participants as they viewed photos of spiders and again when they viewed puppies. Which statistical test is appropriate for this study and why?

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