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Statistical Issues Answers

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Although statistics may be limiting for individuals in some ways, explain its overall importance in advancing societal issues concerning tolerance and diversity.

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3

List three reasons why a study may be considered invalid.

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4

Explain how critical value variations influence statistical power.

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5

Explain why it is important to be skeptical of statistical results reported in the media.

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6

An inaccurate assumption often made in a research study is that __________.

A
research data is normally distributed among the population
B
statistical findings are suggestions rather than solutions
C
statistical measures used in a study are unreliable
D
variable relationships within a study are nonlinear
7

Explain the difference between a Type I significance error and a Type II significance error.

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10

Which statement about the relationship between statistical power and statistical probability is true?

A
There is an indirect relationship between statistical power and statistical probability.
B
Statistical probability is not influenced by statistical power.
C
As statistical probability increases, statistical power decreases.
D
A statistical test having high power also has high probability for finding significant support.
11

Explain why having low statistical power could be considered a limitation for a statistical test.

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12

Explain what it means when a researcher finds significant results in a statistical test that has a low effect size.

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