Job satisfaction: The General Social Survey sampled 773 employed people and asked them how satisfied they were with their jobs. Of the 773 peoplesampled, 350 said that they were completely satisfied or very satisfied with their jobs. Can you conclude that the percentage of people who are completely orvery satisfied with their jobs is greater than 0.45?Ho:p =0.45H:p>0.45Part: 0/ 3Part 1 of 3(a) Compute the value of the test statistic. Round your answer to two decimal places.The test statistic isGoogle ChromeNOV20MacBook AirDIIF11F8F9F10F7F4F5F6F2F3&%2324

Answered: Job satisfaction: The General Social…

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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Lecture(12.8A) A researcher thinks that people have become more anxious when they hear about violent crime in the news. He asked a group of random participants to fill out two questioners. One questionere measured anxiety on a point scale from 1 to 10 with high anxiety resuting in higher scores. The other questionare asked participants to report the incidents of violent crime they had heard about (throuh media or face- to-face cummincation) in the last two weeks. The researcher gave the participants a score based on the total number of incidents reported. (1) What type of test should the researcher use to test this hypothesis.? (2) What would be the null and alternative hypotheses for this study? (Select two answers for each) (a) Z test (b)single sample t test (c)dependent sample t-test (d) independent sample t -test (e) ANOVA (f) Pearson correlation t-test (roe) (g) Chi Square goodness of fit test. (h)Chi Square test for independece (i)Ho: roe<=0…
Question A physical therapist is interested in studying patients recovering from neck injuries. Let the proportion of neck injury patients who fully recover in less than 6 months be p. If the physical therapist wants to know if the proportion of neck injury patients who fully recover in less than 6 months is more than 75%, what are the null and alternative hypotheses? Select the correct answer below: H0: p=0.75; Ha: p>0.75 H0: p=0.75; Ha: p<0.75 H0: p>0.75; Ha: p=0.75 H0: μ=0.75; Ha: μ>0.75
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Quit smoking: A recent study reported that in a sample of 234 European-American HIV-positive smokers, 105 of them had used a nicotine patch to try to quit smoking, and in a sample of 81 Hispanic-American HIV-positive smokers, 25 had used a nicotine patch. Can you conclude that the proportion of patch users is greater among European-Americans? Let p₁ denote the proportion of European-Americans who used the patch. Use the a=0.01 level of significance. Part 1 of 4 (a) State the appropriate null and alternate hypotheses. Ho: P₁ (Choose one) ▼ P₂ H₁: P₁ (Choose one) P2 This is a (Choose one) test. Part 2 of 4 (b) Find the P-value. Round the answer to four decimal places. P-value= X S Ś
How do you identify the chi sq & the p-value? How will you interpret the p-value?
A test of the claim that the proportion of residents with that least two jobs is more than 53% produces the test statistic z = 1.68 Find the P-value.
t-test 5. At a local university, English instructors are supposed to grade essays in a class so that the average is exactly 75 points. When 22 random essays were drawn from a large English lecture, the average grade given was 79.1, with s = 6.5. Can we say that this professor is not grading according to the 75 point standard? 6. A marketing company wants to find the average age of employees within a large computer firm. They believe that the average age is 27 years old. After sampling 13 people, they report the following ages: 23 25 31 42 27 35 38 22 28 40 19 26 29 Can they say that their claim is correct? (Use a = .01)
Pls explain the concept. Also, the excel formula used for obtaining the required value of z.

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