a) From the mosaic plot, about what percent of the respondents were college presidents?■%(Type a whole number.) A research group asked 2143 U.S. adults and 1055 college presidents to "rate the job the higher education system is doing in providingvalue for the money spent by students and their families" as Excellent, Good, Only Fair, or Poor. A mosaic plot of the results is given.Complete parts a through d below.a)EAsk myMosaic plot1.0-0.8-0.6-0.4-0.2-0.0-Provide ValueAdultsGroupPresidentsProvide ValueExcellentGoodOnly FairPoorDK/NA▬▬▬▬▬XCheck answer

The question is about graphical representation Given : No. of adults under survey = 2143 No. of…

Answered: a) From the mosaic plot, about what…

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 questions below Below is a sample of 64 responses of a survey of Ward 3 residents in Washington, D.C. The survey asked "Do you support the statehood of Washington, D.C.?" "Yes" was recorded as "1" and "No" was recorded as "0" in the table. Statehood? a. What is the sample proportion of residents who support DC statehood? 1 1 1 1 0 1 b. If the population proportion of residents who support DC statehood is 0.7, 1 what is the standard error of the proportion? 0 0 0 1 1 c. Is the sampling distribution of the proportion normally distributed? 0 1 1 0 1 d. What is the probability of a sample proportion being greater than 1 the value of…
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In politics, marketing, etc. we often want to estimate a percentage or proportion p. One calculation in statistical polling is the margin of error - the largest (reasonble) error that the poll could have. For example, a poll result of 72% with a margin of error of 4% indicates that p is most likely to be between 68% and 76% (72% minus 4% to 72% plus 4%). In a (made-up) poll, the proportion of people who like dark chocolate more than milk chocolate was 44% with a margin of error of 2.2%. Describe the conclusion about p using an absolute value inequality. The answer field below uses the symbolic entry option in Mobius. That lets you type in a vertical bar | to represent absolute values. Also, when you type in and then =, the symbolic entry option will automatically convert that to >.
To assess attitudes towards issues that affect the residents of a town, the town randomly chose 500 families to participate in a survey of life attitudes. The town received 370 completed surveys. What is the sample proportion of completed surveys? (Round to 2 decimal places)
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a) From the mosaic plot, about what percent of the respondents were college presidents? % (Type a whole number.)