2. Compute the test statistic.Complete the following table of expected counts. (Round your answers to 2 decimal places).YesNoToo littleAbout rightToo muchCompute the value of the test statistic. (Round your answer to 2 decimal places.)3. Compute the p-value. (Round your answer to 4 decimal places.)p-value4. Interpret the results of the significance test. Use a signifcance level of alpha = 0.05O The p-value provides strong evidence against the null hypothesis. The associationbetween knowing someone on public assistance and attitudes towards social spendingis statistically significant.O The p-value provides little evidence against the null hypothesis. The association betweenknowing someone on public assistance and attitudes towards social spending is notstatistically significant. Background: Morris Saldov conducted a study in Eastern and Central Newfoundland in 1988 toexamine public attitudes towards social spending. In particular, the study tried to determine ifknowing someone on public assistance (yes, no) affected one's views on social spending (too little,about right, too much). The data from the study is summarized in the table below.YesNoTotalToo little 40 4То44About right171330Too much10717Total672491Source: Morris Saldov, Public Attitudes to Social Spending in Newfoundland," Canadian Review ofSocial Policy, 26, November 1990, pages 10-14.%3DDirections: Conduct a chi-square test for independence to determine if the association betweenknowing someone on public assistance and views on social spending is statistically significant.1. Choose the correct null and alternative hypotheses.O Ho: There is no association between knowing someone on public assistance and viewson social spending.Ha There is an association between knowing someone on public assistance and viewson social spending.O Ho: There is an association between knowing someone on public assistance and viewson social spending.Ha There is no association between knowing someone on public assistance and viewson social spending.а

Dear students as per guidelines we answer the first three subparts onlyonly.

Answered: 2. Compute the test statistic. Complete…

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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Homework: Week 6 Sa Score: 0 of 1 pt 5 of 14 (4 complete) HW Score: 28.57%, 4 of 14 5.4.3 Question Help A population has a meanu= 80 and a standard deviation o = 21. Find the mean and standard deviation of a sampling distribution of sample means with sample size n= 232. (Simplify your answer.) In Enter your answer in the answer box and then click Check Answer. Check Answer Clear All 1 part remaining earch
I think the answer to this last part is C
← Listed below are systolic blood pressure measurements (mm Hg) taken from the right and left arms of the same woman. Assume that the paired sample data is a simple random sample and that the differences have a distribution that is approximately normal. Use a 0.05 significance level to test for a difference between the measurements from the two arms. What can be concluded? Right arm Left arm 148 174 In this example, μg is the mean value of the differences d for the population of all pairs of data, where each individual difference d is defined as the measurement from the right arm minus the measurement from the left arm. What are the null and alternative hypotheses for the hypothesis test? O A. Ho Hd = 0 H₁ Hd #0 OC. Ho Hd #0 H₁-Hd = 0 135 121 137 134 170 190 152 134 Identify the test statistic. (Round to two decimal places as needed.) Identify the P-value P-value = (Round to three decimal places as needed.) What is the conclusion based on the hypothesis test? Since the P-value is than…
lume in The following numbers are the differences in pulse rate (beats per minute) before and after running for 12 randomly selected people. Positive numbers mean the pulse rate went up. Test the hypothesis that the mean difference in pulse rate was more than 0, using a significance level of 0.05. Assume the population distribution is Normal. 22, 11, 14, 10, 13, 7, 0, 2, 12, 41, 0, and 12 O Determine the null and alternative hypotheses. Choose the correct answer below.
You want to compare differences in prior arrests across ethnicity in your study, you measured ethnicity as white =0 black =1 hispanic=2, and other =3. Prior arrests was recorded as the number of prior arrests. which test would you perform to see if arrests differ across diffrent ethnic categories? A. ANOVA B. T-test
Help please week 12
QUESTION 8 A newspaper believes that the approval rating of the current mayor is 60%. A pollster believes that it is less than 60% and sets out to prove it. A simple random sample of 900 people are surveyed and 504 responded that they approved of his work. The null hypothesis is that the mayor's approval rating is 60%. The observed percentage is %. Find the standard error for percentage. Hint: The SD for the box model is 0.6*0.4 0.49 The standard error for percentage is %. Round your answer to the nearest tenth of a percent(for example 6.3%).
The accompanying table shows data for the weights of backpacks for men and women. Assume that the data are from random samples and the distributions are Normal. Complete parts (a) and (b) below. E Click the icon to view the data table. a. Find a 95% confidence interval for the difference between means HFemale - HMale state whether it captures 0, and explain what that shows about the mean. The 95% confidence interval is ( D (Round to two decimal places as needed. Use ascending order.) Backpack weights Female Male 10 10 12 8 9. 7 5 10 7 20 3 11 8 14 13 11 14 6 7 22 11 12 15 10 17 22 10 7 25 11 7 15 11 11 4 16 13 20 21 15 10 9. 16 10 15 13 10 10 17 12 11 38 6. 6. 7 19 12 13 20 8 14 15 18 19 10 16 16 13 18 12 14 13 13 15 14 14 7 7 14 13 27 11
Need help with C and D please
You are interested in finding a 90% confidence interval for the average number of days of class that college students miss each year. The data below show the number of missed days for 13 randomly selected college students. Round answers to 3 decimal places where possible. 7 8 8 0 2 11 6 10 2 0 1 3 1 With 90% confidence the population mean number of days of class that college students miss is between and days.
N You are interested in determining if the pandemic has caused people to become depressed. You randomly sample 20 individuals and administer a 30 item true/false psychological test designed to measure depression. Scores that are greater than 20 indicate significant levels of depression. Use the following descriptive statistics to determine if individuals in your sample are depressed. Mean Std. Deviation Score 8 22.25 2.49 0.025 Use these data to answer the following questions. Chapter 9 is most relevant here. Two-tailed test critical region

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