Determine the Rank of the Matrix $$\left[ \begin{array} { r r r r r } 1 & 0 & - 4 & 0 & 4 \\0 & 1 & - 3 & 0 & 4 \\0 & 0 & 0 & 1 & 1 \\0 & 0 & 0 & 0 & 0\end{array} \right]$$

question 72

Multiple Choice

Determine the rank of the matrix.
- $$\left[ \begin{array} { r r r r r } 1 & 0 & - 4 & 0 & 4 \\0 & 1 & - 3 & 0 & 4 \\0 & 0 & 0 & 1 & 1 \\0 & 0 & 0 & 0 & 0\end{array} \right]$$

• A)5
• B)3
• C)4
• D)2

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Definitions:

Interval Estimate

A type of estimate used in statistics that specifies a range within which a population parameter is expected to lie with a certain level of confidence.

Distribution

Refers to the way in which something is shared out among a group or spread over an area.

Standard Error

The standard deviation of the sampling distribution of a statistic, often used in the context of mean.

Point Estimate

A single value or statistic that is used to estimate the parameter of a population.