In a 2018 study, Phoenix Marketing International identified Bridgeport, Connecticut; San Jose, California; Washington, DC)and Lexington Park, Maryland, as the four U.S. cities with the highest percentage of millionaires (Kiplinger website).Consider a sample of data that show the following number of millionaires for samples of individuals from each of the four-cities.MillionaireYesNoBridgeport,CTBridgeport,CT46San Jose,CA36264Use Table 3 of Appendix B to find the p-value.The p-value is Select your answer -What is your conclusion?Select your answer -San Jose, Washington,CAD.C.454362a. What is the estimate of the percentage of millionaires in each of these cities (to 1 decimal)?cityWashington,D.C.D38Lexington Park,Lexington Park,MDMD34Percentage, %b. Using a = 0.05 level of significance, test for the equality of the population proportion of millionaires for these four cities.What is the p-value?Compute the value of the x² test statistic (to 3 decimals).366that there is a difference among the population proportion of millionaires for these four cities.

Bridgeport, CTSan Jose, CAWashington, D.C.Lexington Park, MDYes46363834No454264362366

Answered: and Lexington Park, Maryland, as 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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Please answer D, E, and F.
Please help answering this one:
2. Compare the 12 water temperatures from Dauphin Island with the 12 water temperatures from Grand Isle. Use the mean, median, mode, and interquartile range in your explanation. Gulf of Mexico Eastern Coast Water Temperatures (°F) Location F M A M J J A St. Petersburg, Florida 62 64 68 74 80 84 86 86 84 78 70 64 Key West, Florida 69 70 75 78 82 85 87 87 86 82 76 72 Dauphin Island, Alabama 51 53 60 70 75 82 84 84 80 72 62 56 Grand Isle, Louisiana 61 61 64 70 77 83 85 85 83 77 70 65
Suppose the National Transportation Safety Board (NTSB) wants to examine the safety of compact cars, midsize cars, and full-size cars. It collects a sample of cars each of the cars types. The data below displays the frontal crash test performance percentages. Test whether there are statistical differences in the frontal crash test performance for each type of car. Car Sizes Compact Cars Midsize Cars Full-Size Cars 95 95 93 98 98 97 87 98 92 99 89 92 99 94 84 94 88 87 99 93 88 98 99 89 What conclusions can we draw from the follow-up t-tests? There is/are a total of ______ statistically significant difference(s) between car type pairs out of the follow-up t-tests. Options: a) 1 b) 2 c) 3 d) 4 e) 5 f) 6
Please scroll down to see the entire question. The quality control manager of an automobile parts factory would like to know whether there is a difference between the proportion of defective parts produced on different days of the work week. Random samples of 100 parts produced on each day of the week were selected, with the following results: Result: Mon Tues Wed Thurs Fri # of defective parts: 12 7 7 10 14 # of non-defective parts: 88 93 93 90 86 At 5% level of significance, is there evidence of a significant difference in the proportion of defective parts produced on the various days of the week (A ) Step-1: State the hypotheses ( H0 and H1 ), and identify the claim A. H0: Proportion of defective parts is not the same for the days of the week. H1: Proportion of defective parts is the same for all days of the week B. H0: Proportion of defective parts is dependent on the days of the week H1: Proportionof defective parts is…
You may need to use the appropriate technology to answer this question. Suppose a company surveyed the work preferences and atitudes of 1,006 working adults spread over three generations: baby boomers, Generation X, and millennials. In one question, individuals were asked if they would leave their current job to make more money at another Job. The sample data are summarized in the following table. Generation Leave Job for More Money? Baby Boomer Generation X Millennial Yes 124 154 167 No 202 185 174 Conduct a test of independence to determine whether interest in leaving a current job for more money is independent of employee generation State the null and aiternative hypotheses Hg Interest in leaving job for more money is independent of the employee generation H, Interest in leaving job for more money is not independent of the employee generation. OH Interest in leaving job for mere money is mutually excusive of the employee generation H, Interest in leaving job for more money is not…
How many samples or treatments are here? 490 undergraduate students at a state university in the southwestern region of the United States were surveyed. Each student in the sample was classified according to class standing (freshman, sophomore, junior, or senior) and body are category (body piercings only, tattoos only, both tattoos and body piercings, no body art). Use the data in the accompanying table to determine if there is an association between class standing and body art category. Assume that it is reasonable to regard the sample as representative of the students at this university. Use α = 0.01. Freshman Sophmore Junior Senior Body Piercings 61 7 14 86 Only Tattoos 43 11 10 64 Only Mildly Piercings and Tattoos 20 9 7…
Maryland, as the four U.S. cities with the highest percentage of millionaires (Kiplinger website). Consider a sample of data that show the following number of millionaires for samples of individuals from each of the four cities. Millionaire Cannot conclude Bridgeport, CT CA San Jose, CA Yes 42 36 No 458 264 a. What is the estimate of the percentage of millionaires in each of these cities (to 1 decimal)? 0.436 Use Table 3 of Appendix B to find the p-value. The p-value is greater than 0.10 What is your conclusion? City Washington, D.C. 35 365 Bridgeport, San Jose, Washington, Lexington Park, CT D.C. MD Lexington Park, 46 27.4 Percentage, % 36.5 b. Using a = 0.05 level of significance, test for the equality of the population proportion of millionaires for these four cities. What is the p-value? Compute the value of the x² test statistic (to 3 decimals). 36.5 MD 33 367 that there is a difference among the population proportion of millionaires for these four cities.
1. Explain the differences between a sample and a population.
Here is a set of sample data. 43 75 64 40 50 11 91 99 44 82 39 25 35 86 60 2 27 83 45 65 1 93 88 10 Base on the data above, identify the 5 number summary
And automotive manufacturer wants to know the proportion of new car buyers who prefer foreign cars over domestic. Suppose a sample of 383 new car buyers is drawn, of those sampled 137 prefer foreign over domestic. Using the data, estimate the proportion of new car buyers who prefer foreign cars. Enter your answer as a fraction or decimal rounded to three decimal places.
About 4% of the population has a particular genetic mutation. 300 people are randomly selected.Find the mean for the number of people with the genetic mutation in such groups of 300. (Remember that means should be rounded to one more decimal place than the raw data.)

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