REPORTING AND THESIS WRITING
NULL HYPOTHESIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Shantay did the project to see if teens are better at math than adults. Which of the following represents her null hypothesis?
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Age has effect on mathematical ability.
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Age has no effect on mathematical ability.
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teens are better at math than adults
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Adult are better at math than teens
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Explanation:
Detailed explanation-1: -A null hypothesis is a statistical hypothesis that is tested for possible rejection under the assumption that it is true (usually that observations are the result of chance). The concept was introduced by R. A. Fisher.
Detailed explanation-2: -The null hypothesis is the one to be tested and the alternative is everything else. In our example: The null hypothesis would be: The mean data scientist salary is 113, 000 dollars. While the alternative: The mean data scientist salary is not 113, 000 dollars.
There is 1 question to complete.