Statistical Tests and Estimations MCQ

Research/alternative hypothesis that does not state the direction of difference; it only states that there is a relationship between the independent and dependent variables is known as _____

Answer

Correct Answer: Both b and c

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Statistical test used to test several null hypotheses including the difference between two means is known as _____

Answer

Correct Answer: Z Test

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Sampling variation refers to differences between the sample and the population that are due to _____

Answer

Correct Answer: Both

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When a research/alternative hypothesis states the directional difference expected it is known as _____

Answer

Correct Answer: Both a and c

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In a hypothesis test, the null hypothesis is the hypothesis that is initially assumed to be_____.

Answer

Correct Answer: True

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When a research/alternative hypothesis does not state the direction of difference; it only states that there is a relationship between the independent and dependent variables, it is known as the Nondirectional Hypothesis Test.

Answer

Correct Answer: True

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Using sample data, an act in statistics that tests an assumption (the null hypothesis) regarding a _____ parameter is known as Hypothesis Testing.

Answer

Correct Answer: Population

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When a _____ hypothesis states the directional difference expected it is known as Directional Hypothesis Test.

Answer

Correct Answer: Both

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