Exhibit 12-11A 2019 PEW research center survey of 10,000 U.S. adults asked whether gun laws should be More Strict, AboutRight, or Less Strict than they are today.We are interested in determining whether the opinions of the individuals (as to More Strict, About Right, or LessStrict) are uniformly distributed.Do you thinkgun lawsshould be__?More strictAbout rightLess strict239999Number ofIndividualsRefer to Exhibit 12-11. The number of degrees of freedom associated with this problem is10000600028001200

From the provided information, Do you think gun laws should be__ Number of individuals (k) More…

Answered: A 2019 PEW research center survey of…

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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Explain what the statements below mean:A)A Rasmussen Reports national survey of 1000 adult Americans found that 18% dreaded Valentine's Day. The margin of error for the survey was 4.5 percentage points with 95% confidence. B)A Gallup poll of 547 adults Americans employed full or part time asked, "Generally speaking, would you say your commute to work is - very stressful, somewhat stressful, not that stressful at all?" Gallup reported that 24% of American workers said that their commute was "very" or "somewhat" stressful. The margin of error was 4 percentage points with 95% confidence.
Multiple Comparisons Dependent Variable: RAPEMYTH Tukey HSD Mean Difference (- J) 95% Confidence Interval () MOST WOMEN FIND ME UNATTRACTIVE (J) MOST WOMEN FIND ME UNATTRACTIVE Agree somewhat Std. Error Sig. Lower Bound Upper Bound Agree strongly 2.69258 .56229 .000 1.2458 4.1393 Disagree somewhat 3.10941" .53686 .000 1.7281 4.4907 Disagree strongly 3.85225 .52543 .000 2.5003 5.2042 Agree somewhat Agree strongly -2.69258 .56229 .000 -4.1393 -1.2458 Disagree somewhat .41684 .32901 .584 -.4297 1.2634 Disagree strongly 1.15967" .31001 .001 .3620 1.9573 Disagree somewhat Agree strongly -3.10941 .53686 .000 -4.4907 -1.7281 Agree somewhat -.41684 .32901 .584 -1.2634 .4297 Disagree strongly .74283 .26107 .023 .0711 1.4146 Disagree strongly -3.85225 -1.15967 -74283 Agree strongly .52543 .000 -5.2042 -2.5003 Agree somewhat 31001 .001 -1.9573 -.3620 Disagree somewhat *. The mean difference is significant at the 0.05 level. .26107 .023 -1.4146 -.0711 RAPEMYTH Tukey HSD*. Subset for alpha = 0.05…
Consider any research statement and specify the variable, types of variables and population in that statement?
5
Medical researchers followed 6272 Swedish men for 30 years to see if there was any association between the amount of fish in their diet and prostate cancer. (“Fatty Fish Consumption and Risk of Prostate Cancer,” Lancet, June 2001). A summary of the data is given in the table below. Fish Consumption No Prostate Cancers Prostate Cancers Never/Seldom 110 14 Small part of diet 2420 201 Moderate part of diet 2769 209 Large part of diet 507 42 A) If a patient is randomly selected, what is the probability that he/she had prostate cancer given that fish was never or seldom a part of the diet? Round your answer to three decimal places and include the leading zero. B) If a patient is randomly selected, what is the probability that s/he ate fish as a large part of their diet given that they had prostate cancer. Round your answer to two decimal places and include the leading zero.
Regarding the context regarding the coronavirus pandemic, see the table below, which refers to 5 groups of people infected with the coronavirus and the number of deaths in each group. a) You, student, by observing the data tabulated in the table above, come to what conclusion about the absolute frequency of the second grade? b) João, a person observing the table, calculates and states that the relative frequency of the fourth class is 48.46% and informs that 48.46% of the number of deaths occurred in the group with the number greater than or equal to 70 and less than or equal to 80 infected. Do you agree with João's calculation and interpretation? If you agree or disagree, provide the calculation and interpretation that justifies your choice. c) Going deeper, Maria, another person who looks at the table, interprets that 16 deaths occurred in the group with a number greater than or equal to 40 and less than 70 infected people. When you see this interpretation that Maria made, do you…
There are 15 numbers on a list, and the smallest number is changed from 4 to 0.4.a) Is it possible to determine by how much the mean changes? If so, by how much does it change?b) Is it possible to determine the value of the mean after the change? If so, what is the value?c) Is it possible to determine by how much the median changes? If so, by how much does it change?d) Is it possible to determine by how much the standard deviation changes? If so, by how much does it change
1
The numerical measure of a data set that represents the "middle value" which separates the data into two equally sized groups, with the same number of data values below this measure and the same number of data values above this measure, is called the __________ of the data set. A) Mean B) Median C) Mode
City Time (minutes) Rome 24.9 Milan 26.8 Naples 26.2 Turin 28.1 Palermo 31.7 Genoa 25.8 Bologna 23.3 Florence 32.1 Bari 28.5 Catania 24.4 Verona 29.3 Venice 24.8 Messina 38.1 Padua 28.3 Trieste 28.4 Taranto 24.6 Prato 20.1 Modena 23.4 a) What is the mean commute time for these 18 cities? b) What is the median commute time for these 18 cities? c) What is the mode for these 18 cities? d) What is the variance and standard deviation of commute times for these 18 cities? e) Find the z – score value of commute time for these 18 cities. f) Find 28th and 77th Percentile of commute times for these 18 cities.
A foundation asked each person in a representative sample of high school students and in a representative sample of high school teachers which of the rights guaranteed by the First Amendment they thought was the most important. Suppose that the sample size for each sample was 1,000. Data consistent with summary values from the study are summarized in the accompanying table. Students = Teachers Freedom of Speech 658 400 USE SALT Most Important First Amendment Right Freedom of Religion Freedom to Peacefully Assemble Freedom of the Press 30 55 245 420 20 55 Freedom to Petition the Government 47 70 (a) Carry out a hypothesis test to determine if there is convincing evidence that the proportions falling into the five First Amendment rights categories are not the same for teachers and students. Use a significance level of a = 0.01. Calculate the test statistic. (Round your answer to two decimal places.) x²= Use technology to calculate the P-value. (Round your answer to four decimal places.)…

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Do you think gun laws should be__	Number of individuals (k)
More strict	6000
About right	2800
Less strict	1200