Please calculate the meanStatement1%2%3%4%5%NMTravelling involves too much risk12.144.424.113.65.8257 I am motivated to travel and tour within Malaysia03.97.832.356257 I am motivated to travel and tour abroad02.310.529.657.6257 I am more inclined to visit less crowded outdoor attractions0.436.29.33519.1257 I will travel after getting feedback from friends who are currently on a tour025.323.33516.3257

Mean is the measure of central tendency. It is the measure which widely used in the central…

Answered: Please calculate the mean Statement 1…

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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Answer part B only and please, answer each item with the same format as the solution given in the example. Thank you.
The North American Free Trade Agreement (NAFTA) enacted in 1994 is a trilateral trade agreement signed by the United States, Canada and Mexico. This trade agreement has been controversial since its inception and Americans remain split on the issue. In a Gallup Poll conducted February 1-5, 2017, 447 out of 971 randomly selected Americans aged 18 or older stated that they believed that NAFTA was bad for the United States. 1.Find the point estimate for the proportion of Americans who believe that NAFTA was bad for the United States. Round your answer to 4 decimal places. 2.Find the margin of error for a 95% confidence interval. Round your answer to 4 decimal places. 3.Construct the 95% confidence interval for the proportion of Americans who believe that NAFTA was bad for the United States. Enter your answer as an open interval of the form (a,b) and round to 3 decimal places.
18. The governor of New York has banned selling or purchasing "large" soft drinks, where a "large" is defined as being more than 16 oz. Sonic, famous for its Route 44 drinks is interested in estimating the proportion of New Yorkers that favor this ban. From a random survey of 800 New Yorkers, 375 answered no to the question, “Do you favor the governor's ban on 'large' soft drinks?" a. Find a 97.5% confidence interval for the proportion of New Yorkers who favor the ban on "large" soft drinks. b. Interpret the confidence interval. c. Can you conclude with 97.5% confidence that a majority of New Yorkers favor the ban on "large" soft drinks? Why or why not. d. Without doing any other calculations, can you be 99% confident that a majority of New Yorkers favor the ban on “large" soft drinks?
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According to Financial Executive, disability causes 48% of all mortgage foreclosures. Given that 20 mortgage foreclosures are audited by a large lending institution. What is the population mean number of foreclosures due to disability? 10.2 foreclosures 8.4 foreclosures 9.6 foreclosures 8.0 foreclosures
The averrage gasoline prrice at Chevvron was $3.12 per gallon lastt month. Due to the recent nation-wide gas price drop, the chiief marketing officer of Chevvron believes that there has been a significant reduction in the average gas pricce. In orrder to test hiis belief, he randdomly selected a sample of 36 of Chevvron gas stations and found the average gas price of these stations was $3.06. Assume that the population standard deviation of the population is $0.12, and the significance level (α) is 5%. A. Using the critical value approach, what is the critical value? -1.960 1.688 1.960 1.645 -1.645 -1.688 -1.690 1.690 B. What is your conclusion (reject or fail to reject the null)? Fail to reject the null Reject the null C. Using the p-value approach, what is the p-value? p-value = -0.5 p-value = 0.05 p-value = 0 p-value = 0.0013 p-value = 3
The averrage gasoline prrice at Chevvron was $3.12 per gallon lastt month. Due to the recent nation-wide gas price drop, the chiief marketing officer of Chevvron believes that there has been a significant reduction in the average gas pricce. In orrder to test hiis belief, he randdomly selected a sample of 36 of Chevvron gas stations and found the average gas price of these stations was $3.06. Assume that the population standard deviation of the population is $0.12, and the significance level (α) is 5%. A. What’s your conclusion (reject or fail to reject the null) at 5% significance level? Would you conclude that there has been a significant reduction in the average gas price? Reject the null. There has not been a significant reduction in the average gas price. Fail to reject the null. There has not been a significant reduction in the average gas price. Reject the null. There has been a significant reduction in the average gas price.
The averrage gasoline prrice at Chevvron was $3.12 per gallon lastt month. Due to the recent nation-wide gas price drop, the chiief marketing officer of Chevvron believes that there has been a significant reduction in the average gas pricce. In orrder to test hiis belief, he randdomly selected a sample of 36 of Chevvron gas stations and found the average gas price of these stations was $3.06. Assume that the population standard deviation of the population is $0.12, and the significance level (α) is 5%. A. Formmullate the null and the alternative hypotheses: Null: mu ≤ 3.06; Alternative: mu > 3.06 Null: mu = 3.06; Alternative: mu ≠ 3.06 Null: mu ≥ 3.12; Alternative: mu < 3.12 Null: mu = 3.12; Alternative: mu ≠ 3.12 Null: mu ≤ 3.12; Alternative: mu > 3.12 Null: mu ≥ 3.06; Alternative: mu < 3.06 B. Whatt kind of test is this? (Upper-tailed, lower-tailed or two-tailed test) Upper-tailed Two-tailed Lower-tailed C. Findd the test statistic. Is this a z-score or…
The Los Angeles City Controller's office calculated that in 2013, the city employed 47030 full-time employees and 10142 part-time employees. Assume that an outside advocacy group had been lobbying the Mayor's office to convert part-time workers into full-time workers throughout 2014. The Controller's office makes its calculations annually. Suppose that the outside advocacy group wanted to know the proportion of city employees (excluding per-event employees) who are full-time employees p in June 2014 to gauge if their lobbying efforts had been effective. Suppose that the group surveyed a random sample of 1000 city employees (excluding per-event employees) in June 2014 and found that 845 were full-time employees and 155 were part-time employees. If the advocacy group planned to use a one-sample z-test for a proportion to test their lobbying eforts, the appropriate null hypothesis would be and the appropriate alternative hypothesis would be
Fourty percent of all Americans drink bottled water more than once a week (Natural resources Defense Council, December 4, 2015). Suppose you have been hired by the Natural Resources Defence Council to investigate bottled water consumption in St. Paul. You plan to select a sample of St. Paulites to estimate the proportion who drink bottled water more than once a week. Assume the popluation proportion of St. Paulites who drink bottled water more than once a week is 0.4 , the same as the overall proportion of Americans who drink bottled water more than once a week. c. Suppose you select a sample of 210 St.Paulites. Show the sampling distribution of p (to 4 decimals). E(p)= Qp= d. Based upon a smaller sample of only 210 St. Paulites, what is the probability that the sample proportion will be within 0.7 of the population proportion (to 4 decimals). Probability = e. As measured by the increase in probability, how much do you gain in precision by taking the larger sample in parts (a) and…
Please show work In a sample of 100 people, 57 completed only high school, 23 went on to complete only some college, 13 went on to complete a two-year or four-year college, and 7 went on to graduate school. What proportion of the sample does not have a two-year or four-year college degree? 0.07 0.13 0.80 0.87
According to the Pew Research Center,on the propotion of the American population who use only a cellular telephone (landline) is 0.37. Jason conducts a survey of one hundred fifty 20 to 24 year olds who live on their own and finds that 73 do not have a landline to their home. Does this provide sufficient evidence to conclude that the proportion of 20 to 24 year olds who live on their own and don't have a landline is greater than 0.37? Use a=0.10 level of significance. A) Verify that nP0(1-P0)>10 and n< 0.05N (Assume the population sizes is N=40 million) B) State the appropiate null and alternative hypotheses. C) Indicate whether the hypothesis is left, right, or two- tailed.

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Statement	1 %	2 %	3 %	4 %	5 %	N	M
Travelling involves too much risk	12.1	44.4	24.1	13.6	5.8	257
I am motivated to travel and tour within Malaysia	0	3.9	7.8	32.3	56	257
I am motivated to travel and tour abroad	0	2.3	10.5	29.6	57.6	257
I am more inclined to visit less crowded outdoor attractions	0.4	36.2	9.3	35	19.1	257
I will travel after getting feedback from friends who are currently on a tour	0	25.3	23.3	35	16.3	257