Instructions Please complete all problems. Unless othenvise noted, each problem is worth 5 points To obtain full credit, pu must use the methods specified in the course text Please, format yourwork as explained in chapter 2 ofthe Frequently Asked Questions (FAQ) document. When doing calculations, such as the variance, standard deviation, or the correlation coefficient, use technology wherever possible. There IS no need to do calculations by hand unless I direct pu to do so. Rounding. You should round your z-scores to two decimal places when using a normal distribution table and the areas under the normal curve to decimal places. When using the t-distribution or doing other calculations, round to 3 decimal places unless other%'ise directed. Never round until the last step ofyour calculations see FAQ 42). Problems 38 49 Table 1. Income Income (thousands of dollars) 39 45 so 24 49 52 36 63 43 30 45 71 38 36 42 35 42 38 Problem 1. Using Table 1 , answer the following questions. The data set represents the incomes (in thousands of dollars) of a sample of 20 employees at a company. a. Find the range, mean, median, and mode of the data set. Range: Mean: Median: b. Construct a frequency distribution for the data set using 5 classes. Include the midpoints, frequency, and relative frequency. Fill in Table 2 Table 2. Frequency distribution table, etc. Class Tally Frequency Relative Midpoint Fre ue