Weights of Police Officers ​

question 16

Essay

Weights of Police Officers ​
The following data represent the weights in pounds of a sample of 25 police officers: 164,148,137, 157,173,156,177,172,169,165,145,168,163,162,174,152,156,168,154,151,174,146,134, 140,and 171. ​ ​
-{Weights of Police Officers Narrative} Determine the location and value of the second quartile of the weights.

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Definitions:

Standard Deviation

A measure of the amount of variation or dispersion in a set of values, indicating how much the values diverge from the mean.

Normal Distribution

A type of continuous probability distribution for a real-valued random variable, characterized by a bell-shaped curve, symmetrical around its mean.

Variance

A measure of the dispersion indicating how much the numbers in a data set differ from the mean of the set.

Normal Distribution

A symmetric, bell-shaped distribution of data where most of the observations cluster around the central peak and the probabilities for values further away from the mean taper off equally in both directions.