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…
2. Which gender is taller, males or females? A sample of 14-year-olds from the United Kingdom was randomly selected using the CensusAtSchool website. Create an appropriate stemplot. Here are the heights of the students (in cm): Male: 154, 157, 187, 163, 167, 159, 169, 162, 176, 177, 151, 175, 174, 165, 165, 183, 180 Female: 160, 169, 152, 167, 164, 163, 160, 163, 169, 157, 158, 153, 161, 165, 165, 159, 168, 153, 166, 158, 158, 166
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 >.
A teacher surveyed the students in one of his algebra classes, asking how many hours they spend watching TV shows, movies, and videos on a weekday. Their responses are given. Complete parts (a) through (e) below. 10 3 4 2 35 0 2 1 5 2 4 2 1 0 1 2 3 743 3 4 b. One student wrote "3-9." What value would represent this response well? Include the value in the sample for parts (c) through (d). A good value to represent the range 3-9 is c. Construct a dotplot. Choose the correct graph below. OA. TV, Movie, and Video Viewing Time O B. TV. Movie, and Video Viewing Time 02 4 8. 10 6. Hours 10 Hours OC. TV, Movie, and Video Viewing Time OD. TV. Movie, and Video Viewing Time 4. Hours 8 10 2 8. 10 C Hours d. What proportion of the observations are between 1 and 3 hours, inclusive? The proportion of the observations between 1 and 3 hours, inclusive is (Round to the nearest thousandth as needed) e. What proportion of the observations are less than 5 hours? Activate Windows Go to Settings to activate…
1. In one season, the New England Patriots won 14 football games and lost 2 games. Which number sentence should be used to find the percentage (p) of all games played that season that were wins? A. p = 14.2
A polling company reported that 19% of 1018 surveyed adults said that secondhand smoke is "quite annoying." Complete parts (a) through (d) below. a. What is the exact value that is 19% of 1018? The exact value is. (Type an integer or a decimal.)
In politics, marketing, etc. we often want to estimate a percentage or proportion p. One calculation in statistical polling is the margin or error- the largest (reasonable) 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 1.3%. Describe the conclusion about p using an absolute value inequality.
If the proportion of Hs is .45 out of 200 flips, what is the p-value?
Determine the sample in this research scenario: Dr. Eglovitch wants to know whether type of exercise, running or yoga, improves post-partum depression. One hundred women are recruited from obstetricians’ offices in the Richmond area. Group of answer choices A.100 postpartum women whose depression was measured B.Type of exercise C. Postpartum depression D. All postpartum women
In a scatter diagram of the data of 50 participants, how many points are plotted? A. 5 B. 25 C. 50 D. 100
for the dataset c(1,2,2,2,4,5,6,6,7,8,9,9), what is the 75% or .75 quantile?
A story describing a burger taste test among non-vegetarians was read by 352 high school students. To investigate the effect of the type of burger (veggie or meat) on subject's opinion of whether or not the burger tasted good, each burger had labels of veggie burger, beef burger, or a burger with no label. Each person was asked whether the burger tasted was good or not. Data are given in the accompanying table. Is there evidence that the proportion who believe that the burger tasted good for the three different labels differ? Test the relevant hypotheses using ? = 0.01. (Round your answer to two decimal places.) Taste Response Label Veggie Beef No Label Good 80 105 91 Bad 47 12 17 ?2 = P-value interval p < 0.001 0.001 ≤ p < 0.01 0.01 ≤ p < 0.05 0.05 ≤ p < 0.10 p ≥ 0.10 The data the conclusion that the proportion who believe a burger tasted good is not the same for the three labels.You may need to use the appropriate table in Appendix A to answer…

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a) From the mosaic plot, about what percent of the respondents were college presidents? % (Type a whole number.)