2) Based on the McClatchy-Marist Poll summarized below, can we conclude that themajority of registered voters nationwide support a ban on the sale of assaultweapons and semi-automatic weapons? Why or why not?McClatchy-Marist Poll. July 5-9, 2016. N=1,053 registered voters nationwide. Margin of error + 3."Do you think Americans are safer with more guns or fewer guns?"Number isabout right(vol.)MoreFewergunsUnsureguns%%%%ALL45463Democrats16772RepublicansIndependents79163344447"Do you favor or oppose a law to ban the sale of assault weapons and semi-automatic rifles?"FavorOpposeUnsure%%ALL51463Democrats7423RepublicansIndependents306648493

Answered: Image /qna-images/answer/9eea6ab7-6541-4280-8fd3-793b261436de.jpg

Answered: 2) Based on the McClatchy-Marist Poll…

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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pls help with steps A city official would like to know if there is public support for increasing funding for arts programs. To collect data, the city official stands outside a concert hall after a show and surveys the first 20 people to exit about their opinion of raising funds for the arts. Which of the following best describes any bias that may arise from the results? Because only the first 20 people were surveyed, the city official may underestimate support for raising funds. Because a convenience sample was taken, the city official should have an unbiased estimate of public support. Because those in the sample generally support the arts, the city official may overestimate support for raising funds. Because those in the sample generally support the arts, the city official should have an unbiased estimate of public support for raising funds.
A 2010 survey asked 823 randomly sampled registered voters in California "Do you support or oppose drilling for oil and natural gas off the coast of California? Or, do you not know enough to say?" The responses were separated based on whether or not the respondent graduated from college. College Graduate Not a College Graduate Support 153 139 Oppose 190 124 Do Not Know 106 111 Total 449 374 (a) Find the following proportions: Pcollege grads; do not know = .23608 Pnoncollege grads; do not know = .29679 (b) Conduct a hypothesis test to determine if this difference is statistically significant (Pcollege grads; do not know Pnoncollege grads; do not know) and - thus determine whether the data provide strong evidence that the proportion of college graduates who do not have an opinion on this issue is different than that of non-college graduates. Test Statistic = P-Value =
9. In a telephone survey of 800 registered voters, the data are cross classified both by gender of respondent and by respondent's opinion on an environmental bond issue. Men Women Bond issue For 450 160 Against 150 40 We want to know whether there is good evidence that one's gender influences whether a person is for or against the bond issue. Use the chi-square test to answer this question. State the hypotheses, discuss conditions, perform calculations, and report your conclusions.
9 Below are the results of two polls of random samples of high school seniors and juniors, who were asked if they approve of, disapprove of, or do not care about a proposed ban of energy drinks on high school campuses. Poll I Poll II Approve Disapprove Do Not Care Total Seniors 10 30 60 100 a. Compare the proportions of seniors and juniors who approve, disapprove, and do not care in the two polls. EDIT CALC TESTS Interval.... 8: Interval.... 9:2 amPZInt.... 8:2-9PTInt..... A: 1-Pro B: 2-Prop nt...... DUX2-Test..... Int...... Juniors 12 32 56 100 For each poll, use your calculator or computer software to compute a tablof expected counts and x². 554 File Data Edit Craph Sta DOUAX De HVIS MITANTS D 5 4 7 te 24 Aprove ALDRIVE De Care Toul E Serc 40 :50 Date A Approve Disapprove Do Not Care Total Regression Linear Quadratic Cubic Quartic Power tom Tools Help Test domizat Distribution stribution of male... Exponential Logarithmic Seniors Juniors 100 120 300 320 600 560 1,000 1,000 Polynomial…
Hi, How do I calcuate these missing values?
need help asap please
A website posts evaluations on airlines. It posts the most positive and the most negative comments for each airline. Discuss the usefulness of this feedback for a reader wanting to know about the airline. Choose the correct statement below. Select all that apply. A. The reader cannot accurately assess the airline because the method of choosing the sample is unclear. B. The reader can accurately assess the airline based on the posted evaluations. C. The reader cannot accurately assess the airline without reading all of the evaluations. D. The reader cannot accurately assess the airline because the evaluations posted are not necessarily representative of all the evaluations.
Help!!
1.6 How would you rank cities? Various organizations rank cities and produce lists of the 10 or the 100 best cities, based on various measures. Create a list of criteria that you would use to rank cities. Include at least eight variables and give reasons for your choices. Say whether each variable is quantitative or categorical.
A survey asked 827 randomly sampled registered voters in California to select a response best fitting their opinion about drilling for oil and natural gas off the coastline of California. Response options include (1) Support, (2) Oppose, or (3) Do not know enough to answer. Data was disaggregated along whether respondents were college graduates or not. Here's the data: Support Drilling Oppose Drilling Doesn't Know Graduated College 154 180 104 Didn't Graduate College 132 126 131 Does this data show a statistically significant difference in the support of drilling between those who graduated college and those who didn't?
Which statement is true with regard to non-response bias? 1.Respondents have strong opinions about the subject matter. 2.Respondents change their answers to influence the results. 3.Respondents give the answer they think the questioner wants. 4.Respondents do not give their honest opinion.
Español Among college students, the proportion p who say they're interested in their congressional district's election results has traditionally been 65%. After a series of debates on campuses, a political scientist daims that the proportion of college students who say they're interested in their district's election results is more than 65%. A poll is commissioned, and 173 out of a random sample of 260 college students say they're interested in their district's election results. Is there enough evidence to support the political scientist's claim at the 0.05 level of significance? Perform a one-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places. (If necessary, consult a list of formulas.) (a) State the null hypothesis H, and the alternative hypothesis H1. H, :0 H :0 (b) Determine the type of test statistic to use. (Choose one) D=0 OSO (c) Find the value of the test statistic. (Round to three or more decimal places.) ロ=ロ O

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