For the first three months of 2012, the stock market put up its best first-quarter performance in

Question:

For the first three months of 2012, the stock market put up its best first-quarter performance in over a decade (Money.cnn.com, April 9, 2012). The accompanying table shows a portion of the daily price index for the Dow Jones Industrial Average (DJIA) over this period. The entire data set, labeled DJIA_2012, can be found on the text website.
Day ....... DJIA Price Index
January 3, 2012 ... 12,397
January 4, 2012 .... 12,418
: :
March 31, 2012 ... 13,212

a. Construct a frequency and histogram for the DJIA price index. Use five classes with upper limits of 12,500, 12,750, etc. On how many days during this quarter was the DJIA less than 12,500?
b. Construct a relative frequency polygon. Is the symmetric? If not, is it positively or negatively skewed?
c. Construct an ogive. Approximate the percentage of days that the DJIA was less than 13,000.

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...