Test the null hypothesis of independence of the two classifications A and B of the accompanying contingency table. Use α = 0.05.Click the icon to view the table.Specify the null and alternative hypotheses. Choose the correct answer below.A. Ho: The row and column classifications are dependentH₂: The row and column classifications are independentB. Ho: The row and column classifications are independentH₂: The row and column classifications are dependentOC. Ho: The classifications A₁ and B₁ are independentH₂: The classifications A₁ and B₁ are dependentFind the test statistic.x²(Round to the nearest hundredth as needed.)Specify the rejection region. Choose the correct answer below.O A. x² >9.48773O B. x² > 15.5073O C.x²O D. x² >3.84146> 16.9190State the conclusion. Choose the correct answer below.Data tablewwwwwwwAA₁A₂A3O A. Reject Ho, there is insufficient evidence to indicate the row and column classification are dependent at x = 0.05.PrintB₁₁416331BB₂735338DoneB3437230Ď×

The given contingency table is as follows:BB1B2B3AA1417343A2635372A3313830

Answered: Test the null hypothesis of…

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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When using the 4 step hypothesis testing method, the alternative hypothesis __________? a. is symbolized by: H1 b. is symbolized by: H0 c. states that the two population means are equal d. must be directional in nature (must be a one tailed test)
In a hypothesis test the expression (1-β) allows us to estimate... A. The probability of making a Type I error B. The probability of making a Type II error C. The power or power of the test D. The probability of accepting the null hypothesis E. The type I error of the test
OUse software to test the null hypothesis of whether there is a relationship between the two classifications, A and B, of the 3 x 3 contingency table shown below. Test using a = 0.05. NOTE: You may do this by hand, but it will take a bit of time. B B2 B3 Total A1 80 65 78 223 A2 51 78 71 200 A3 68 46 52 166 Total 199 189 201 589 (a) x? (b) Find the degrees of freedom. (C) Find the critical value. x? (d) The final conclusion is OA. There is not sufficient evidence to reject the null hypothesis that there is no relationship between A and B. OB. We can reject the null hypothesis that A and B are not related and accept that there seems to be a relationship between A and B.
Rejection of the null hypothesis in the two-sample case imp;ies thatr the a. samples are different on the trait of interest b. populations from which the samples are drawn are different on the trait of interest c. samples are not different on the trait of interest d. populations from which the samples are drawn are not different on the trait of interest
More than 11% of people mind if others smoke near a building entrance. Express the null and alternative hypotheses in symbolic form for this claim.H0:H1:
Which of the following are the signs which can be found in the null hypothesis? > II V VI
Give situation (one each) by which the different inferential statistics can be used. State the corresponding null and alternative hypothesis. 1. t-test of significant difference ●Between sample & population means ●Between independent samples ●Between dependent samples 2. t-test of significant relationship 3. Z-test of significant of ø 4. Z-test of significance of population peoportions
View the information below and respond accordingly. When you perform a hypothesis test, there are four possible outcomes depending on the actual truth (or falseness) of the null hypothesis H0 and the decision to reject or not. The outcomes are summarized in the following table: Table 9.2 ACTION H0 IS ACTUALLY True H0 IS ACTUALLY False Do not reject H0 Correct Outcome Type II error Reject H0 Type I Error Correct Outcome
need help with B, C, D
Suppose that in a random selection of 100 colored candies, 23% of them are blue. The candy company claims that the percentage of blue candies is equal to 25%. Use a 0.05 significance level to test that claim. Identify the null and alternative hypotheses for this test. Choose the correct answer below. O A. Ho:p=0.25 H1:p>0.25 О В. Но: р#0.25 H1:p=0.25 Ос. Но р-0.25 H1:p<0.25 O D. Ho: p= 0.25 H1:p#0.25 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is (Round to two decimal places as needed.) Identify the P-value for this hypothesis test. The P-value for this hypothesis test is (Round to three decimal places as needed.)
Which of the following is NOT true for conducting a hypothesis test for independence between the row variable and column variable in a contingency table? Question content area bottom Part 1 Choose the correct answer below. A. The number of degrees of freedom is (r−1)(c−1), where r is the number of rows and c is the number of columns. B. The null hypothesis is that the row and column variables are independent of each other. C. Tests of independence with a contingency table are always right-tailed. D. Small values of the χ2 test statistic reflect significant differences between observed and expected frequencies.

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