Let’s take another look at the dinosaur example from the first part of the exam. Go ahead and figure out if smoking causes deaths in dinosaurs. Do not forget to follow all the steps of a hypothesis test; use =0.05, write out the conclusion. Smoking Die yes no TOTAL yes 1845 97 1942 no 496 1359 1855 TOTAL 2341 1456 3797

Let’s take another look at the dinosaur example from the first part of the exam. Go ahead and figure out if smoking causes deaths in dinosaurs. Do not forget to follow all the steps of a hypothesis test; use =0.05, write out the conclusion. Smoking Die yes no TOTAL yes 1845 97 1942 no 496 1359 1855 TOTAL 2341 1456 3797

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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Can you please answer questions 6, 5 and step 6 please show answer properly thank you
An education researcher claims that 62% of college students work year-round. In a random sample of 300 college students, 186 say they work year-round. At a=0.01, is there enough evidence to reject the researcher's claim? Complete parts (a) through (e) below. (a) Identify the claim and state H0 and Ha. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) A. The percentage of college students who work year-round is not ______%. B. At most ______% of college students workyear-round. C. At least ______% of college students work year-round. D. ______% of college students work year-round. (b) Find the critical value(s) and identify the rejection region(s). (c) Find the standardized test statistic z. (d) Decide whether to reject or fail to reject the null hypothesis and (e) interpret the decision in the context of the original claim.
wwwuguay Got Flu Shot Did not get Flu Shot Category Got Flu Shot Did not get Flu Shot The expected observations for this table would be The resulting (O - E)² E 54 10 Category Got Flu Shot Did not get Flu Shot 75 14 Got the Flu Did not get the Flu for finding the test are: Got the Flu Did not get the Flu What is the chi-square test-statistic for this data? (add the results from the previous table) x² = What is the P-Value for this test-statistic? P-Value = Can you conlude (at the 0.05 significance level) that getting the flu is independent of whether or not you got the flu shot? O Yes independent: getting the flu is independent of if you got the flu shot. O No not independent: getting the flu is dependent on if you got the flu shot.
O E. Ho: H270 %3D the administrator's claim that the mean score for the state's eighth graders on the exam is more than 270.
Find ∑x. x 0.002 0.017 0.105 0.219 0.411 Question content area bottom Part 1 ∑x= enter your response here (Type an integer or a decimal. Do not round.)
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Week 7 Homework K solve this The P-value for a hypothesis test is shown. Use the P-value to decide whether to reject I and (c) a=0.10. P=0.0398 Question 15, 7.2.3 Part 2 of 3 OC. Fail to reject Ho because the P-value, 0.0398, is less than a = 0.01. OD. Reject Ho because the P-value, 0.0398, is greater than a = 0.01 (b) Do you reject or fail to reject Hō at the 0.05 level of significance? h OA. Fail to reject Ho because the P-value, 0.0398, is greater than a = 0.05. OB. Fail to reject Ho because the P-value, 0.0398, is less than a = 0.05. O C. Reject Ho because the P-value, 0.0398, is greater than α = 0.05. O D. Reject Ho because the P-value, 0.0398, is less than a = 0.05. Get more help - Q Search P Pearson Copyright © 2023 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy Policy. (
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A company wants to test if the average amount in the 12oz cans that they produce is less than it should be. Write the null and alternative hypothesis.
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PART II. HYPOTHESES TO TEST Below are a series of hypotheses to be tested. I have done one sample to show you the format in which I want you to do all problems. Follow the example in doing each problem. Steps to follow in doing problems Please give the following steps for each problem: a) if not given in the problem, state the nul and altemative hypotheses b) indicate whether you have a one- or a two-tailed test situation c) give the formula for the test statistic you will use d) diagram the null sampling distribution e) state a decision rule and diagram values for which you will or will not reject Ha 1 calculate the standard error and the test statistic; state the statistical decision to reject or not reject Ho g) briefly state in words what the outcome of the test is Example Problem. You have devised a new approach to testing IQ in young children. You believe that your testing method will produce dfferent results from the usual tests now in use. The usual tests give p= 100 and s = 15…