Solve the System of Equations Using the Addition Method $$\begin{array} { l } 3 x + 5 y + z = 1 \\5 x - 2 y - z = 33 \\5 x + y + 3 z = 11\end{array}$$

question 24

Multiple Choice

Solve the system of equations using the addition method.
- $$\begin{array} { l } 3 x + 5 y + z = 1 \\5 x - 2 y - z = 33 \\5 x + y + 3 z = 11\end{array}$$

• A)(-2, 5, -4)
• B)(5, -4, -2)
• C)(5, -2, -4)
• D)(-4, -2, 5)

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Definitions:

StdDev

Another term for standard deviation, indicating how much individual data points deviate from the mean.

Median

The central number that splits a dataset into two equal parts, distinguishing the upper half from the lower half.

Ogive

A graphical representation of the cumulative frequency or cumulative relative frequency on a graph, often used in statistics.

IQR

The interquartile range (IQR) is a measure of statistical dispersion, representing the difference between the 75th (upper quartile) and 25th (lower quartile) percentiles of a data set.