1-Use methods of descriptive statistics to summarize the data. Your answer should include the
followings:
a. Frequency distribution for amount charged with starting point 1800, class width 1000. For
income use starting point 20 and class width of 10 and Household size with class width of 1.
b. Histogram for Income, Household size and amount charged.
c. Crosstabulation for amount charged and income. Draw a side by side chart
d. Scatter diagram between amount charged and income.
e. Compute means, medians and 25
th
percentile for amount charged and income.
f. Compute variance, standard deviation, coefficient of variation and correlation coefficient for
amount charged and income.
g. Find five-number summaries for income and amount charged and draw a box plot for them.