Given The salaries below: a. Find the quartile values, the interquartile range, and the sample standard deviation of the salaries listed below. 14AJ Salary (5) Frequency 28 000 50 0DO 51 000 32 000 35 000 35 000 2 59 000 b. Draw a modified box and whisker plot for this date. (2kj c. Does this data include an outlier? Explain. (2T) 3. What percentage of the data falls within 1 standard deviation of the mean, 2 standard deviations of the mean, and s standard deviations of mean? (3K] Identify the bias in each of the following, explain what that type of bias is and suggest how it might be avoided: [GT] a. A survey asks a group of children whether or not they should be allowed unlimited amounts of junk food. S