Which effect could best be used with the variable "age" (when presented as an interval? Percent Median Mean Variance
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What does that [the standard deviation of age] mean? Select all that are true: it is the distance between the youngest and oldest person in the sample most people (about 68%) should be within that distance above or below the mean (+ or - one standard deviation from the mean) it is the average distance between each age and the mean age
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Calculate the mean deviation about median age for the age distribution of 100 persons given below: $$ \begin{array}{|c|c|c|c|c|c|c|c|c|} \hline \begin{array}{c} \text { Age } \\ \text { (in years) } \end{array} & 16-20 & 21-25 & 26-30 & 31-35 & 36-40 & 41-45 & 46-50 & 51-55 \\ \hline \text { Number } & 5 & 6 & 12 & 14 & 26 & 12 & 16 & 9 \\ \hline \end{array} $$
Statistics
Introduction
Create two different sets of data, each having 10 ages. Create one set so that the mean age is 16 and the median age is $18 .$ Create the other set so that the median age is 16 and the mean age is 18.
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