Question

  

1. A study is run to estimate the mean total of cholesterol level in children 2 to 6 years of age. A sample of 9 participants is selected and their total cholesterol levels are measured as follows.

185 225 240 196 175 180 194 147 223.d. Compute the first and third quartiles

a a. Compute the sample mean

b. compute the standard ddeviation

c compute the median

d d. Compute the first and third quartiles

ee. Which measure, the mean or median ,is better measure of typical value? Justify

f. Which measure, the standard deviation or the interquartile range, is better measure of dispersion. Justify

To calculate first and third quartile