Using an available statistical package, try to repeat what you obtained in Problems 1-3. Compare the results and describe any problems you may have had.
Problem 1
Using the results from Problem 2, draw the cumulative frequency in percent. What percent of the observations are below 240 mg/mL using this display?
Problem 2
Use the stem and leaf graph from Problem 3 to assist you in ordering the data. From the ordered data, make a relative frequency table such as that given in Table.
Problem 3
Make a stem and leaf graph of the first five rows of the blood cholesterol data in Table (50 observations). Do you see an excess of 0's or 5's?