Solve the Problem. -For Any Data Set of N Values with Standard Deviation

question 144

Multiple Choice

Solve the problem.
-For any data set of n values with standard deviation s, every value must be within s n - 1 of the mean. In a class of 20 students, the heights of the students have a mean of 67.4 inches and a standard deviation of 3.0
Inches. The tallest student in class, a hopeful member of the basketball team, claims to be
79) 8 inches tall. Could he be telling the truth?

• A) No
• B) Yes

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Definitions:

Margin of Error

An expression of the amount of random sampling error in a survey's results, which describes the range that the true value lies within with a certain level of confidence.

Confidence Coefficient

The probability level, associated with a confidence interval, that the true parameter lies within the interval.

Interval Estimation Procedure

A method of estimating the range of values where a population parameter lies, based on sample statistics.