In Bloomington, they randomly sampled 260 female voters, and 190 male voters. They collected data onthe respondent's opinion on an environmental bond issue. We want to know whether there is good evidencethat one's gender influences whether a person is for or against the bond issue. Use a = 0.05.For Bond Issue Against Bond Issue522081717369381MenWomenTotala) What is the correct null hypothesis?O Ho: P1 P2 P3 P4Ho: P₁ P2 = P3 = P4ⒸH: Gender and Bond Issue Attitudes are Independent.OH: Gender and Bond Issue Attitudes are dependent.b) Fill in the expected values, round answers to 1 decimal place.ExpectedValuesFor Bond IssueAgainstBond Issue220.13MenWomen39.8729.13c) Chi Square Test Statistic 10.3d) The p-value=Degree's of Freedom = 1OrOB160.87 ✔Total2601904503 decimal placesOB01 decimal placee) What is the correct conclusion?O Because the p-value is greater than alpha, we reject the Ho. There is statistical evidence thatattitudes on the bond issue are dependent on gender.O Because the p-value is less than alpha, we fail to reject the Ho. There is not enough statisticalevidence to prove that attitudes on the bond issue are dependent on gender.O Because the p-value is greater than alpha, we fail to reject the Ho. There is not enough statisticalevidence to prove that attitudes on the bond issue are dependent on gender.Because the p-value is less than alpha, we reject the Ho. There is statistical evidence that attitudeson the bond issue are dependent on gender.

From the given information, The test statistic is 10.3 Degrees of freedom is 1.

Answered: In Bloomington, they randomly sampled…

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 and explain parts d and e
In 2014, about 11.3% of U.S. workers belonged to a union. Suppose a sample 400 of U.S. workers is collected to determine whether union efforts to organize have increased union membership. Which if the following is the best description of what u- represents? O A. -is the average sample proportion for all possible samples of size 400 O B. H- is the average number of U.S. workers that belong to a union in all possible samples of size 400 C. O C.H- is the number of all U.S. workers that belong to a union. O D. H- is the proportion of U.S. workers in the sample that belong to a union O E. µ – is the proportion of all U.S. workers that belong to a union
A group of 500 people were asked to cast votes regarding a particular political issue. The following frequencies occurred. Favor Undecided Oppose Totals Female 180 80 40 300 Male 150 20 30 200 Totals 330 100 70 500 1. Determine if voters’ opinions are independent or dependent of gender. Set up hypotheses; perform a test for independence; analyze all relevant aspects of your conclusion.
College Degree Recipients A survey of 800 recent degree recipients found that 158 received associate degrees; 451, bachelor degrees, 21 first-professional degrees; 154, master degrees; and 16, doctorates. Is there sufficient evidence to conclude that at least one of the proportions differs from a report which stated that 23.3% were associate degrees; 51.1%, bachelor degrees; 3%, first professional degrees; 20.6%, master degrees; and 2%, doctorates? Use =α0.10.
Difference tests are conducted to determine: A. the representative value in a given set of scores. B. whether two or more groups differ on an outcome. C. if the assumptions of a statistical procedure have been met. D. whether two variables correlate with each other.
A researcher is interested in whether self-proclaimed “cat people” are more introverted than self-proclaimed “dog people.” Select one: a. factorial ANOVA b. one sample t test c. paired samples t-test d. one-way ANOVA e. t-test independent means
answeer frq style
2. Below is data on the number of vehicles involved in a fatal crash and city in California during 2019. City Single-ve Two-vehicle hicle crash fatalities Los Angeles 175 San Diego 61 San Jose San Francisco Fresno 49 22 33 Sacramento 28 Long Beach 26 crash fatalities 69 19 19 a 13 2. Is there enough evidence to support that the number of vehicles involved in a crash is related to the city in which the accident occur? null and alternate hypotheses test statistic, critical value and/or p-value expected counts reject or fail to reject the null hypothesis ● conclusion in plain English
The Bureau of Labor Statistics reports that the official unemployment rate for Black people was 10.4% and 4.7% for White people in February 2015. Select all correct answers for this question. O The samples of white and black people are independent. The explanatory variable is the unemployment rate. The response variable is the unemployment rate. The response variable is race.
When two births are randomly selected, the sample space for genders is bb, bg, gb, and gg. Assume that those four outcomes are equally likely. Construct a table that describes the sampling distribution of the sample proportion of girls from two births. Does the mean of the sample proportions equal the proportion of girls in two births? Does the result suggest that a sample proportion is an unbiased estimator of a 1 1 population proportion? For the entire population, assume the probability of having a boy is the probability of having a girl is, and this is not affected by how many boys or girls have previously been born. Determine the probabilities of each sample proportion. Sample proportion of girls ▼ ▼ ▼ Probability (Type integers or simplified fractions.)
A social scientist sampled 140 people and classified them according to income level and whether or not they played the lottery (LOTTO) in the last month. The sample information is reported below. Is it reasonable to conclude that playing the lottery is related to income level? Use the .05 significance level. INCOME LOW MIDDLE HIGH TOTAL PLAYED 46 48 21 115 DID NOT PLAY 14 12 19 45 TOTAL 60 60 40 140 a. State the null hypothesis and the alternate hypothesis.b. What is the decision rule?c. Determine the value of chi-square.d. Interpret the results
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?

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