Answered: True and False, it is appropriate to…

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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The average retirement age in America is 64 years old. Do small business owners retire at a younger average age? The data below shows the results of a survey of small business owners who have recently retired. Assume that the distribution of the population is normal. 63, 54, 69, 69, 53, 53, 71, 51, 61, 60, 69, 54 What can be concluded at the the a = 0.01 significance level What is the test statistic and the p value?
1) If your p-value is less than a significance level , then your decision is to fail to reject the null hypothesis. True or False 2)The test statistic, z, in a hypothesis test measures the difference between the sample proportion and the hypothesized proportion in terms of standard deviations. True or False
True or False
In a study of 811 randomly selected medical malpractice lawsuits, it was found that 496 of them were dropped or dismissed. Use a 0.01 significance level to test the claim that most medical malpractice lawsuits are dropped or dismissed. Hypothesis test to be conducted. H0 : p = 0.5 / H1 : p > 0.5 A) What is the test statistic? Z = ? (Round to two decimal places) B) What is the P-value? P-value = ? (Round to three decimal places)
A random sample of residents from various income brackets was asked their opinion on tax reform for the country of Guyana. The data so gathered were analyzed by a statistician and the results he obtained using MINITAB are shown below: Expected counts are printed below observed counts Low Middle High Total For 26 (30.67) 75 (51.11) 14 (33.22) 115 Against 60 (69.33) 95 (115.56) 105 (**) 260 Neutral 34 (20) 30 (33.33) 11 (21.67) 75 Total * 200 130 450 Chi-sq = 0.71 + 11.17 + 11.12 + *** + 3.66 + 11.89 + 9.8 + 0.33 + 5.25 = 55.2 DF =??, p-value =??? Carefully define the null and alternative hypotheses of the ?2 test underlying the generation of the above Find the missing values ‘*’, ‘**’, ‘***’, ‘??’ and ‘???’. What is the conclusion of this test? Give reasons for your answer.
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Identify the null hypothesis, alternative hypothesis, test statistic, P-value, conclusion about the null hypothesis, and final conclusion that addresses the original claim. Use a significance level of 0.05 to test the claim. One-way ANOVA: Source DF SS MS F P Size 3 13.500 4.500 5.17 0.011 Error 16 13.925 0.870 Total 19 27.425 can you show how you worked it out please
Hey, please help. I'm confused with the rounding, should I round or not during the actual calculation etc. So is the z value -0.98 or -0.97. Please help and complete the whole question. Thanks so much.
Think about doing an Independent-Measures ANOVA, Step 3. If the ANOVA Source table looks as follows, what are the MS-between, MS-within, and F-obtained? SOURCE SS df MS Fobt Between 20.22 2 ??? ??? Within 51.33 6 ??? -- Total 71.56 8 -- --
Help please!
Refer to the accompanying stayed outside and construct a 90% confidence interval as many of the mean pulse rate of adult females then do the same for adult males compare the results.

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True and False, it is appropriate to perform post-hoc tests even when the overall ANOVA test is not significant. A) true B)