Find a Unit Vector in the Direction of the Given $\mathbf { u } = \langle 4,0 \rangle$

question 131

Multiple Choice

Find a unit vector in the direction of the given vector.
$\mathbf { u } = \langle 4,0 \rangle$

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Definitions:

Randomized Block Design

A statistical experiment design for comparing treatments by randomly assigning them within defined blocks to reduce variation.

Matched Pairs Experiment

A statistical experiment design in which subjects are paired based on certain characteristics, and then alterations are made to only one member of each pair for comparing outcomes.

Randomized Block Design

A statistical experiment design that aims to reduce the effects of variability among experimental units by grouping them into blocks.

SSB

In the context of ANOVA, SSB refers to the Sum of Squares Between groups, which helps in assessing the variability between different groups.