Need explaination for the two questions:
The beauty of using a stem-and-leaf plot is that
A.) the rawdata is preserved and displayed
B.) it can be used when you have less than five data values
C.) One can calculate the mean and standard deviation usinga simple $15 calculator
D.) It not only shows correlation, it also shows causation
What is anadvantage of using a stem and leaf plot over a histogram
A.) It uses averages instead of individualmeasurements, and averages vary less than individuals
B.) The raw data is preserved andpresented
C.) It makes the underlying source of variation visable
D.) It accounts for a shift in the mean