Round the Number 84 to the Nearest Ten

question 19

Short Answer

Round the number 84 to the Nearest Ten:

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Definitions:

Confidence Interval

A range of values, derived from statistical analysis, that is believed to contain the true value of an unknown population parameter with a specified level of certainty.

Degrees of Freedom

The number of independent values or quantities that can vary in the calculation of a statistic, often affecting its distribution.

Confidence Interval

A scope of values, extracted from sample studies, that is likely to enclose the value of an unknown characteristic of the population.

T-Distribution

A statistical distribution used when estimating population parameters of a normally distributed population in situations where the sample size is small and the population standard deviation is unknown.