Use the Following to Answer Questions

question 46

Short Answer

Use the following to answer questions :
The following table lists the probability distribution of a discrete random variable x:

-The standard deviation of the random variable x,rounded to three decimal places,is:

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Definitions:

T-statistic

A statistical measure used to determine the significance of the difference between two sample means compared through their standard error.

F-statistic

A value calculated in statistical analysis to assess the significance of group differences in a data set.

Alternative Hypothesis

A statement in statistics that is tested against the null hypothesis, suggesting that there is a significant difference or effect.

Population Means

The average of a set of characteristics, quantities, or values for an entire population.