Question 2.95

2.95 CASE 2.2 Conditional distribution when Italian music was playing

wine

  1. Write down the column of counts that you need to compute the conditional distribution of the type of wine sold when Italian music was playing.
  2. Compute this conditional distribution.
  3. Display this distribution graphically.
  4. Compare this distribution with the one in Example 2.26. Was there an increase in sales of Italian wine when Italian music was playing rather than no music?

2.95

(a)

Music
Wine Italian
French 30
Italian 19
Other 35
Total 84

(b)

Percent Frequency Percent
French 30 35.71
Italian 19 22.62
Other 35 41.67

(d) Yes, the percent went up from 13.1% to 22.62%.