uestion 13Which of the following statements are not true?A test statistic is a function of the sample data on which the decision to reject or not reject the null hypothesis is to be based.O Arejection region consists of the set of all test statistic values for which the null hypothesis will be rejected.A rejection region consists of the set of all test statistic values for which the alternative hypothesis will be rejected.O A good hypothesis-testing procedure is one for which the probability of making either type I or type ll error is small.O None of the above statements are true.

Given:Which of the following statements are not true?1) A test statistic is a function of the sample…

Answered: Which of the following statoments are…

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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_________ If one concludes that there is NO difference between the sample mean and the population mean, then: a) an alpha error has been committed b) the null hypothesis has been rejected c)there must have been no bias in the sample d) the null hypothesis has been retained
Which of the following most accurately describes a statistical hypothesis test? a technique that uses population data to make inferences about an unknown sample statistic a technique that allows researchers to describe a known sample O a technique that allows researchers to describe a known population O O O O a technique that uses sample data to draw inferences about an unknown population parameter
11:39 1 A myopenmath.com You are conducting a multinomial hypothesis test (a = 0.05) for the claim that all 5 categories are equally likely to be selected. Complete the table. Observed Expected Category Frequency Frequency A 13 В 11 C 12 17 E 23 Report all answers accurate to three decimal places. But retain unrounded numbers for future calculations. What is the chi-square test-statistic for this data? (Report answer accurate to three decimal places, and remember to use the unrounded Pearson residuals in your calculations.) What are the degrees of freedom for this test? d.f.= What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... less than (or equal to) a greater than a
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A and b pls
K Two different simple random samples are drawn from two different populations. The first sample consists of 20 people with 11 having a common attribute. The second sample consists of 1900 people with 1353 of them having the same common attribute. Compare the results from a hypothesis test of p₁ = P₂ (with a 0.01 significance level) and a 99% confidence interval estimate of P₁-P₂- What is the conclusion based on the hypothesis test? The test statistic is the critical region, so The 99% confidence interval is < (P₁-P₂) < (Round to three decimal places as needed.) What is the conclusion based on the confidence interval? Since 0 is the null hypothesis. How do the results from the hypothesis test and the confidence interval compare? The results are since the hypothesis test suggests that p₁ the null hypothesis. There is in the interval, it indicates to evidence to conclude that p₁ # P₂. P₂, and the confidence interval suggests that p₁ VP2- D
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Which one of the following statements is incorrect: A. A type I error consists of rejecting the null hypothesis when it is true B. A type II error consists of accepting the null hypothesis when it is false C. You can control simultaneously both the Type I and Type II error probabilities when the sample size is fixed D. Hypothesis testing and confidence intervals are related concepts
The Test statistic test: The P value: The Critical Value: The Decision Rule: The Decision: The Conclusion:
High School Band - In most US high schools, students can play an instrument in three types of bands. A random sample of high school band students was taken and the results are summarized in the table below. Instrument type Band Woodwind Brass Percussion type Concert 31 25 8. Jazz 10 16 10 Marching 65 65 27 To assess whether there is a relationship between band type and instrument type, we want to conduct an appropriate hypothesis test. Choose the null and alternative hypothesis? 1. The categorical variables band type and instrument type are independent. Alternative hypothesis 2. The categorical variables band type and instrument type are not independent. Null hypothesis
unrest and violence on one southern campus had descreased by 62% from 10 years ago. four out of ten americans rush their teeth daily. which of the following is true regarding these two statements? A. these statements are derived from inductive statistics B. all of the given statements are sample parameters rather than population statistics C. statistics, from one of its definitions, constitutes a collection of such statements D. these types of statements are usually found to be examples of lying with statistics E. none of these is correct

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