Question

In: Statistics and Probability

Consider the data set: 26, 29, 24, 17, 27, 20, 23, 21, 26, 27. (a) Find...

Consider the data set: 26, 29, 24, 17, 27, 20, 23, 21, 26, 27.

(a) Find the median and the upper and lower quartiles for this data set.

(b) Setup then evaluate the numerical expression for the mean of this data set. You must write it out completely. (

c) Setup and then evaluate the numerical expression for the variance of this data set. You must write it out completely.

(d) Find the standard deviation of this data set.

Solutions

Expert Solution

(a) Find the median and the upper and lower quartiles for this data set.

Median (Q2) 25.00
Lower Quartile 13.63
Upper Quartile 34.63

(b) Setup then evaluate the numerical expression for the mean of this data set. You must write it out completely.

Mean 24

c) Setup and then evaluate the numerical expression for the variance of this data set. You must write it out completely.

Variance 14

d) Find the standard deviation of this data set.

Stand. Deviation 3.74

Set up's and procedure:

Formula ref:


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