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Biostatistics 6

Biostatistics  6

Biostatistics

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Quiz Questions And Answers

No relationship existing between variables is an example of what:

Negative Correlation
Null Hypothesis
Empirical Consequence

Empirical Consequences are:

Statements that reflect a research question
Verification of Results
Observable or relying on experiences

The Scientific Method is:

Qualitatitive Research
Quantitative Research
Verification of Results

The students t-test measures what:

Test the difference between 2 means
Test for differences between 3 or more means
Differences between two frequency distributions

As income level declines, tooth decay increases. This is an example of what:

Positive correlation
Negative correlation
Internal Validity

A Correlation Coefficient of 0.90 shows a strong relationship between 2 variables.

True
False

The degree to which the study accurately reflects events that would occur in a real situation is what:

External Validity
Internal Validity
Negative correlation

The degree to which the independent variable alone brings about the change in the dependent variable is what:

External Validity
Internal Validity
Negative correlation

It is reliable if the instrument measures what it claims to be measuring.

True
False

Within 3 standard deviations, the mean picks up how much of the scores?

99.7
78
99
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