Gerber and Malhotra (2006) Found an Irregularly High Spike in Published

question 22

Multiple Choice

Gerber and Malhotra (2006) found an irregularly high spike in published z scores:

• A) just greater than 1.96.
• B) just less than 1.96.
• C) around 1.00.
• D) out as far as 9.16.

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Definitions:

Descriptive Statistics

Tabular, graphical, and numerical summaries of data.

Midpoint

The value that lies halfway between the highest and lowest values in a given set of numbers.

Interquartile Range

The range between the first and third quartiles in a data set, representing the middle 50% of values and used as a measure of variability.

Observations

Data points or recorded information obtained from experimental or study designs, representing individual examples of the variables being studied.