The text reads:"It is always possible that the decision reached in a hypothesis test is incorrect.- O True- O False"This statement is followed by two options, "True" and "False," each preceded by a circle indicating a radio button for selection. There are no graphs or diagrams accompanying the text.

Yes, it is true that there is always a possibility that the decision reached in a hypothesis test is…

Answered: It is always possible that the decision…

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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In a hypothesis test, a Type l| error occurs when: O 1) a false null hypothesis is rejected O 2) a true null hypothesis is not rejected 3) a false null hypothesis is not rejected O 4) a true null hypothesis is rejected
In hypothesis testing, if the test statistic falls in the critical region then we reject the null hypothesis. a. Trueb. False
Test the claim about the difference between two population means μ1 and μ2 at the level of significance alphaα. Assume the samples are random and independent, and the populations are normally distributed. Claim: μ1less than or equals≤μ2; alphaαequals=0.10 Assume σ2 1 not equals≠ σ2 2 Sample statistics: x1 equals=2419, s1equals=176, n1equals=12 and x2 equals=2290, s2equals=52, n2 equals=9 Identify the null and alternative hypotheses. Choose the correct answer below. A. Upper H0: μ1less than<μ2 Upper Ha: μ1greater than or equals≥μ2 B. Upper H0: μ1greater than>μ2 Upper Ha: μ1less than or equals≤μ2 C. Upper H0: μ1less than or equals≤μ2 Upper Ha: μ1greater than>μ2 D. Upper H0: μ1not equals≠μ2 Upper HHa: μ1equals=μ2 E. Upper H0: μ1greater than or equals≥μ2 Upper Ha: μ1less than<μ2 F. Upper H0: μ1equals=μ2 Upper Ha: μ1not equals≠μ2 Find the standardized…
is there enough evidence to reject the claim?
Determine whether the claim stated below represents the null hypothesis or the alternative hypothesis. If a hypothesis test is performed, how should you interpret a decision that (a) rejects the null hypothesis or (b) fails to reject the null hypothesis? A researcher claims that less than 13% of people had no health care visits in the past year. Does the claim represent the null hypothesis or the alternative hypothesis? Since the claim ▼ does not contain contains a statement of equality, it represents the ▼ alternative null hypothesis. (a) How should you interpret a decision that rejects the null hypothesis? There is ▼ sufficient insufficient evidence to ▼ support reject the claim that less than 13% of people had no health care visits in the past year. (b) How should you interpret a decision that fails to reject the null hypothesis? There is ▼ insufficient sufficient evidence to ▼ support reject the…
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 Frequency Category Frequency A 13 В 21 15 11 E 19 (a) Determine the null and alternative hypotheses. 1 O Ho: PA = PB = Pc = Pp = Pe %3D %3D 5 Ha: At least one proportion is different O Ho: PA = PB = Pc = Pp = PE Ha: At least one proportion is different O Ho:The catagories are independent Ha: The categories are dependent (b) What is the chi-square test-statistic for this data? (Report answer accurate to three decimal places) (c) What are the degrees of freedom for this test? d.f.= (d) What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = (e) Is the p-value less than a? O yes O no
6.
Determine whether the claim stated below represents the null hypothesis or the alternative hypothesis. If a hypothesis test is performed, how should you interpret a decision that (a) rejects the null hypothesis or (b) fails to reject the null hypothesis? A researcher claims that more than 85% of people had at least one health care visit in the past year. Does the claim represent the null hypothesis or the alternative hypothesis? Since the claim ▼ does not contain contains a statement of equality, it represents the ▼ null alternative hypothesis. (a) How should you interpret a decision that rejects the null hypothesis? There is ▼ sufficient insufficient evidence to ▼ support reject the claim that more than 85% of people had at least one health care visit in the past year. (b) How should you interpret a decision that fails to reject the null hypothesis? There is ▼ insufficient sufficient evidence to ▼ support…
Determine whether the claim stated below represents the null hypothesis or the alternative hypothesis. If a hypothesis test is performed, how should you interpret a decision that (a) rejects the null hypothesis or (b) fails to reject the null hypothesis? A researcher claims that at least 87% of people had at least one health care visit in the past year. Does the claim represent the null hypothesis or the alternative hypothesis? Since the claim ▼ contains does not contain a statement of equality, it represents the ▼ alternative null hypothesis. (a) How should you interpret a decision that rejects the null hypothesis? There is ▼ sufficient insufficient evidence to ▼ reject support the claim that at least 87% of people had at least one health care visit in the past year. (b) How should you interpret a decision that fails to reject the null hypothesis? There is ▼ insufficient sufficient evidence to ▼ reject support…
Just kind of a verification type of question: If we have determined that a null hypothesis is not to be rejected, then the correct conclusion is to say "Fail to reject the null hypothesis" and it is NOT correct to say "Accept the null hypothesis". Right?
If the claim is allied with the null hypotheses, can we ‘prove’ that the claim is true? Why or why not?

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It is always possible that the decision reached in a hypothesis test is incorrect. O True False