jmartin5425 jmartin5425

03-03-2020
Mathematics

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Which of the following represents a null hypothesis? Group of answer choices Class A high school basketball teams who employ a sports psychologist will have a higher proportion ofwins over the course of the season than comparable teams who do not employ a sports psychologist. There will be no difference in rate of skill improvement between college gymnasts who practice meditation and those who do not. Does incorporating relaxation exercises into the daily practice routine of college vocal majors enhance their performance confidence? None of the above

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AlonsoDehner AlonsoDehner

03-03-2020

Answer:

Step-by-step explanation:

Given are some sentences and we have to select those which represents a null hypothesis.

In a statistical test, the null hypothesis is that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.

Thus we can infer that normally null hypothesis would be for no differences while alternate can be either greater than or less than or equal to

Class A high school basketball teams who employ a sports psychologist will have a higher proportion ofwins over the course of the season than comparable teams who do not employ a sports psychologist.

-- Not a null hypothesis only alternate

There will be no difference in rate of skill improvement between college gymnasts who practice meditation and those who do not.

-- Yes, null hypothesis

Does incorporating relaxation exercises into the daily practice routine of college vocal majors enhance their performance confidence?

-- It is a question and not a hypothesis. Neither null nor alternate

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