The results of a nationwide Gallup poll concerning a person's race and their opinion on the death penalty are summarized in the table below. Person's Race White              Black                  Hispanic Person's Opinion on    In Favor        925                 277                       394 the Death Penatly       Opposed      362                 415                       317   (a) Is a person's opinion on the death penatly independent of their race at the 1% level of significance? (b) Based on these results, what can one conclude about the relationship between a person's race and their opinion on the death penalty? No excel please. I would like the work shown. It helps me understand of how to do it.

We wish to determine whether there is a relationship between the gender of ateenager and their preferred brand of running shoes. A survey of 200teenagers produced the following results: Preferred BrandGender,Nike, Asics ,New Balance and TotalFemale nike24 ascis19 new balance59 total102 Male nike32 asics28 new balance38 total98 Total nike56 asics47 new balance97 total200 Perform an appropriate test at a 5% level of significance to determine whetherthere is a relationship between the gender of teenagers and the preferredbrand of running shoes.

A) We have just conducted a study examining how much math anxiety students experience after taking a statistics class. We want to know if students on average are reporting low (1) or high (7) levels of math anxiety. To do that, we want to compare the math anxiety levels of the students after they have taken a statistics course to the average population math anxiety. We believe that the students on average will have a level of math anxiety that differs from the population. X 3 4 4 5 5 3 1 3 5 6 7 2 2 3 2 3 2 3 1 3 Report our null and alternative hypotheses in words.            Given the information we have, what specific t-test do we need to run in order to examine our hypothesis?         Provided are the ratings from the students that we recruited (see left), the mean and standard deviation for that sample (see below), and the population average (see below): xbar =3.35, Meu=4.00 and SD=1.60…

Random digit dialing telephone surveys used to exclude cell phone numbers. If the opinions of people who have only cell phones differ from those of people who have landline service, the poll results may not represent the entire adult population. The Pew Research Center interviewed separate random samples of cell-only and landline telephone users who were less than 30 years old. Here’s what the Pew survey found about how these people describe their political party affiliation.     Do we reject, or fail to reject, the null hypothesis?

People were asked their gender and if the preferred Coke or Pepsi. The results are summarized in the table below. Test the claim that gender and soda preference are independent. Please provide the critical value, test statistic and conclusion.     Coke Pepsi Male 53 26 Female 58 29

You are interested in the percentage of people in your city who  favor tax cuts. You interview every twentieth person as they leave the church in your neighborhood. Determine what type of bias the study involves.

One of the theories behind the large polling errors in 2016 election was the "shy Trump voter". According to this explanation, many respondents voted differently than what they told the pollsters. What type of bias does this phenomena introduce to the polls?  answer choices 1.Selection bias 2.Response bias 3.Non-response bias 4.Something else

The measure of central tendency which is used for categorical data is .... ..