A magazine provided results from a polt of 1500 adults who were asked to identify their favorte pis. Among the 1500 respondents, 13% chose chocolate pie, and the margin of er was given asKE 4 percentage points Describe what is meant by the statement that the margin of emor was given as 24 percentage pointsChoose the comect answer belowOA. The statement indicates that the study is 100%-4% 56% confident that the true population percentage of people that prefer chocolate pies 13%OB. The statement indicates that the interval 13%e4% is likely to contain the true population percentage of people that prefer chocolate peOC. The statement indicates that the the population percentage of people that prefer chocolate pie is in the interval 13% 4%OD. The statement indicates that the study is only 4% confident that the true population percentage of people that prefer chocolate piesexactly 13%

A magazine provided results from a poll of 1500 adults who were asked to identify their favorite…

Answered: A magazine provided results from a polt…

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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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 16 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 median amount is 16 oz. If the median is not 16 oz, are consumers being cheated? Click the icon to view the data. What are the null and alternative hypotheses? O A. Ho: Median volume ≤ 16 oz H₁: Median volume = 16 oz C. Ho: Median volume = 16 oz H₁: Median volume # 16 oz Find the test statistic. Test statistic (Round to three decimal places as needed.) = More Info 15.6 16.0 16.1 16.1 407 15.7 (…) 16.1 15.9 19:3 15.8 16.5 15.8 15.7 15.9 OB. Ho: Median volume ≤ 16 oz H₁: Median volume > 16 oz O D. Ho: Median volume = 16 oz H₁: Median volume < 16 oz Volume (in ounces) 15.7 15.5 15.7 15.7 15.8 420 15.9 103 16.3 15.7 15.7 16.1 16.3 15.8 15.7 15.6 15.5 15.6 15.5 20 16.0 400 15.8 19:0 15.6 15.6 15.5 16.4 15.9 D - X
The following contingency table records some information about a sample of visitors to Old Fort William over a long weekend in August. Local Other Canadian Non-Canadian Total Young Child 40 75 35 150 Teen 25 50 20 95 Young Adult Mid Aged Adult 140 85 125 200 465 100 195 380 Senior Adult 120 165 125 410 Total 410 685 405 1500 Given the above information and choosing a level of significance of a = 0.01; you should reject the null hypothesis that there is at least one difference in origins among age groups that is statistically significant. True False
What is the approximate sample size required to estimate the percentage of Americans who have earned a college degree to within 2%, with 95% confidence?
The planning director of Wellington, NZ, wants to determine whether the mean age of residents in his city is similar to 29.6 years (the national average age). A random sample of 80 residents is surveyed, with a desired confidence level of 99%. The Research Hypothess is: Mean Age (Wellington) Mean Age (National) Mean Age (Wellington)# Mean Age (National) Mean Age (Wellington)2 Mean Age (National)
A professional marketing survey involves product recognition in New York and California. Of 558 New York residents surveyed, 193 knew the product while 179 out of 614 Californians knew the product. 1. Test the claim that the recognition rates are greater in New York. 2. In which state does the product need the most help with name recognition? Use the given data to compare mean age of residents in Seaside and Marina. Sample Data * = 43.2 yr s = 4.7 yr n = 97 Seaside Before After 1. Test the claim that the mean age of seaside residents is equal to the mean age of Marina residents. 2. How would the result change if we use a = 0.01? Matched Pairs: Write the alternative hypothesis H₁, for each claim: 1. New engine management software will increase the gas mileage in your car. 2. My coaching will reduce your golf score. Difference An instructor gives a test before and after a lesson with these results from randomly selected students Before and After Data 54 70 = 61 Marina 56 s = 6.7 year…
Q7: what is the answer for both parts to this question, answer choices are provided in the pictures

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