WileyPLUS tock,statistics: Unlockingthe Power of ate, 2 Home Read, Study & Pract

Question

WileyPLUS tock,statistics: Unlockingthe Power of ate, 2 Home Read, Study & Practice Assignment Gradebook ORION Downloadable e Textbook ASSIGNMENT RESOURCES Chapter 4, Section 1, Exercise 014 State whether each set of hypotheses is vahd for a statistical test. (a) Ho : 12vs Ha :#12 HW Sections 4.1-4.2 Chapter 4 Section e Chapter 4 (b) Ho : p * 09 vs H, , p-09 apter ection1 chapters Section A section Sectign L Chapter 4 setion 1 Chanter Al Rights Reserved. A Diwiskon of 12000 usense Agreement l

Explanation / Answer

Null hypothesis:the hypothesis that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.

It is about population parameter. Always include equality in this.

Alternative hypothesis:The alternative hypothesis is thehypothesis used in hypothesis testing that is contrary to the null hypothesis. It is usually taken to be that the observations are the result of a real effect

a) Valid.

Because it is about population parameter and null hypothesis is equal to type and alternative hypothesis is not equal to type.

b)Not valid.

Because null hypothesis does not hold equality sign.

C) not Valid

Because null hypothesis is less than type.

d) not valid

Because hypothesis are not based on parameter there they are on sample statistic.

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