I in a Positively Skewed Distribution, the Mean Is Always

question 87

Multiple Choice

i. In a positively skewed distribution, the mean is always greater than the median. ii. In a negatively skewed distribution, the mode occurs at the peak of the curve.
iii. In a negatively skewed distribution, the mode is greater than the median.

• A) (i), (ii) and (iii) are all correct statements
• B) (i) and, (ii) are correct statements but not (iii).
• C) (i) and, (iii) are correct statements but not (ii).
• D) (i) is a correct statement, but not (ii) or (iii).
• E) (i), (ii) and (iii) are all false statements.

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Definitions:

Directional Research Hypothesis

A hypothesis that specifies the direction of the expected difference or relationship between the variables being studied.

Research Hypothesis

A statement predicting the relationship between variables, formulated to be tested by research.

Null

Typically refers to the null hypothesis in statistical analysis, which posits that there is no significant difference or relationship between specified populations, any observed difference being due to sampling or experimental error.

Assume

To accept something to be true without question or proof.