use one-mean z-testto perform thehypothesis testuse 0.05significance leveluse critical-valueapproachi = 54, n = 35,o = 5.6, Ho: µ = 56; H;:µ < 56, a = 0.05use one-mean z-testto perform thehypothesis testuse 0.05significance leveluseprobability-valueapproach* = 41, n = 26,o = 6, Ho: µ = 44; H1: µ # 44, a = 0.05

Hypothesis testing is conducted for the parameters of the population like population mean,…

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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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Use the Minitab display to test the claims. Use the α=0.05 significance level. The sample data are SAT scores on the verbal and math portions of SAT-I. Analysis \ of Variance for \ SAT source DF SS MS F P gender 1 52693 52693 5.05 0.031 ver/math 1 6048 6048 0.58 0.451 interaction 1 31547 31547 3.03 0.09 error 37 376339 10426 total 40 466627 Test the claim that SAT scores are not affected by an interaction between gender and test (verbal/math). The F−test statistic is : The P-value is : Does there appear to be a significant effect from the interaction between gender and test?A. NoB. Yes
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?
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IQ tests, standardized achievement tests, etc. that transform raw scores in standards scores on a representative normative sample use what kind of scale of measurement? Nominal Ratio Interval Ordinal.
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find and interpret the z-score for the darta value given/ the value 250 in a dataset with mean 208 amd standard deviation 21.
Use a 0.05 significance level to test the claim that males and females have the same mean BMI Male BMI n=80 * = 26.3 s = 5.4 Female BMI n=61 I = 28.4 s = 7.4
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8
Identify the category of data, type of quantitative data* and scale of measurement of the given variables. (*please answer NOT APPLICABLE if your answer is qualitative) Variable Category of Data Type of Quantitative Scale of Measurement Anemia Status 11. 14. 17. Socioeconomic Status 12. 15. 18. Educational Attainment 13. 16. 19. Identify the type of code appropriate for the given variable: Age group Blood type Eye color Home address Use of drug
Traditional Students (G1) Online Students (G2) mean 2.97 2.95 standard deviation 0.34 0.35 sample size 33 22 significance level: 0.05 degree of freedom: 53 a) what is the t-statistic? Show calculations b) what is the p-value? Show calculations
The summary statistics are n=85, x=3.93, s=0.63. Use a 0.01 significance level to test the claim that the population of student course evaluations has a mean equal to 4.00. identify null/ alt hypothesis, test statistic, P- value, and state final conclusion that addresses the original claim

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hypothesis test use 0.05 significance level use critical-value approach * = 54, n = 35,o = 5.6, Ho: µ = 56; H1:µ < 56, a = 0.05 Use one:mean 7:test