Find the Z-Score Corresponding to the Given Value and Use

question 61

Multiple Choice

Find the z-score corresponding to the given value and use the z-score to determine whether the value is unusual. Consider a score to be unusual if it is at least three standard deviations above or Below the mean. Round the z-score to one decimal place, if necessary. A weight of 238 pounds among a population having a mean weight of 162 pounds and a standard
Deviation of 25.3 pounds.

• A)75.9; unusual
• B)3; not unusual
• C)-3; not unusual
• D)3; unusual

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Definitions:

Tongue

A muscular organ in the mouth of most vertebrates that manipulates food for chewing and swallowing and is also used for taste and phonetic articulation.

Concrete Operational

A stage in Piaget's theory of cognitive development, typically occurring between ages 7 and 12, where children develop logical thinking but still struggle with abstract concepts.

Odd Number

An integer that is not divisible by 2, characterized by having a remainder of 1 when divided by 2.

Even Number

An even number is an integer that can be exactly divided by two, without leaving a remainder.