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Statistical Tests and Estimations MCQ

1. 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 _____

One Tailed Hypothesis Test

Two Tailed Hypothesis Test

Non directional Test

Both b and c

Answer

Correct Answer: Both b and c

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

T Test

Z Test

P Test

None of these

Answer

Correct Answer: Z Test

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

Chance

Sample variation

Both

None

Answer

Correct Answer: Both

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

One Tailed Hypothesis Test

Two Tailed Hypothesis Test

Directional Hypothesis Test

Both a and c

Answer

Correct Answer: Both a and c

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

True

False

Both a and b

Neutral

Answer

Correct Answer: True

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6. 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.

True

False

Answer

Correct Answer: True

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

Sample

Population

Both

None

Answer

Correct Answer: Population

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

Research

Alternative

Both

None

Answer

Correct Answer: Both

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