Write the Word or Phrase That Best Completes Each Statement

question 212

Essay

Write the word or phrase that best completes each statement or answers the question.
-An electric company has the following rate schedule for electricity usage in single-family residences: $$\begin{array} { l l } \text { Monthly service charge } & \$ 4.93 \\\text { Per kilowatt service charge}\\\text { 1st } \text { 300 kilowatts } & (\$ 0.11589 / \mathrm { kW } \\\text { Over 300 kilowatts } & (\$ 0.13321 / \mathrm { kW }\end{array}$$ What is the charge for using 300 kilowatts in one month?
What is the charge for using 375 kilowatts in one month?
Construct a function that gives the monthly charge C for x kilowatts of electricity.

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Definitions:

Population Standard Deviation

A measure of the dispersion or variance in a population dataset, indicating how spread out the data points are from the population mean.

Sample Size

The number of observations or units included in a sample taken from a population for the purpose of statistical analysis.

Observed Z Value

A statistical measurement representing the number of standard deviations a data point is from the mean of a set of data.

Sample Mean

The average calculated from a sample of data, representing the central tendency of that sample.