TB Figure: 1

question 5

Multiple Choice

TB Figure: 1
-According to the information in TB Figure 1,which smart phone offers the best voice quality?

• A)Apple
• B)HTC
• C)Samsung
• D)Incite

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Definitions:

Unbiased Estimator

A statistical estimator whose expected value is equal to the parameter being estimated, ensuring accuracy across an infinite number of samples.

Population Proportion

It is a measure that gives the fraction of individuals in the population having a particular attribute.

Margin Of Error

An estimate of the amount by which an observed sample statistic may differ from the true population parameter, reflecting the confidence level of the statistic.

Population Standard Deviation

A measure that quantifies the amount of variation or dispersion of a set of data values across a whole population.