Number of Fish Tanks

question 25

Essay

Number of Fish Tanks
The following data give the number of fish tanks owned for a population of 4 families. ​ ​
-{Number of Fish Tanks Narrative} Find the mean and the standard deviation for the population.

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Definitions:

Standard Deviation

A statistical measure that represents the dispersion or variability of a data set or investment returns around the mean.

Covariance

A measure of the degree to which two variables move in relation to each other. It can indicate if the movements are positively or negatively correlated.

Portfolio

A collection of financial investments like stocks, bonds, commodities, and cash equivalents owned by an individual or institutional investor.

Expropriation

The act of a government taking privately owned property, often without fair compensation, for the public good.