Question

The staff of Ms. Tamara Hill, VP of technical analysis at Blue Sky Brokerage, prepared a frequency histogram of market capitalization of the 937 corporations listed on the American Stock Exchange in January 2016. AMEX Listed Securities Number of insues $200 3300 300 3500 Market Capitalization ($1.000.000 Approximately _% of corporations had capitalization not exceeding $200,000,000.

Answer 1

listed are 937-N Here Total corporation from given histogram frequency of class 0-$100 700 and $100-$200 100 Total frequency below $200,000,000 is 800 . 800 x100 - 85.3788. 937 :: Approximately 85% of corporations bad capitalization not exceeding $ 200,000,000 2) Ages of student in class 1923, 21, 19, 19, 20, 22, 31,21,20 stem leaf 2 1,3,0,2 1 0 1. There are 13 stems . Class width is 0.25 least expensive brand $20.59 Most expensive brand $22igs first class should be 20.50 - 20.75 class mark= 20.50+20.75 - 20.625 = 20,63 Class roark of first class is 20.68

2) 56 Given from given curve classes are class fregn cumulative freg. 0-25 - 25-50 - 20-75 75-100 100 100-125 100 - 200 125-150 200 400 150-175 475 175- 200 200 We only needs the frequency of class 100-125 & 125-150 There relative frequencies are 100X100 - 50 200 100 = 40.. Soo 500 : 20). 20+ 40 = 60.). The percentage of sales transactions on sahurday that were between $ 100f $150 was 60%. cum elative frean. are + freg 4 classes 10-20 20-30 30 - 40 40-50 50-60 5 13 for frequency the class 13 is clem wlative 30- 40.