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a psychologist feels that eating chocolate during a test will change the result of the test. the psychologist is not sure whether the grades will be higher or lower. in the past, the mean of the score was 73
what is the words, symbolss and then determine the claim. ​


Sagot :

Answer:

There are two types of statistical hypotheses for each situation:

1. The null hypotheses

2. The alternative hypothesis.

(The example is in the picture)

[tex]\underline \bold \color{lavender} One-Tailed Test \: and \: Two-Tailed Test[/tex]

There are two forms of research hypothesis.

There are two forms of research hypothesis. The critical or rejection region can be one side of the distribution or both sides of the distribution depending on the nature of the research hypothesis.

Explanation:

hope it helps.

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