A Researcher Gives IQ Tests to a Large Group of Adults

question 86

Multiple Choice

A researcher gives IQ tests to a large group of adults, and discovers that the
mean, median and mode all equal 100. The highest score in the group was 130
and the lowest was 70. Between IQ's of 75 and 125, 80% of the group was found, and 50% were found between IQ's of 90 and 110. The shape of the graphed distribution was mesokurtic.
-The second quartile coincided with an IQ of

• A) 70
• B) 75
• C) 100
• D) 125

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Definitions:

Taverns

Establishments serving as gathering places in communities for consuming alcoholic beverages and sometimes offering lodging and food, playing significant roles in social life historically.

Sample Space

The set of all experimental outcomes.

Sample Points

Individual pieces of data or observations collected from a sample that are used for analysis.

Experiment

A procedure carried out under controlled conditions to discover an unknown effect, to test a hypothesis, or to illustrate a known effect.