7 Find the average amount spe Shortly before the shop closed
7
 Find the average amount spe Shortly before the shop closed at 6 p.m, two new pur total revenue o a) new purchases of 74 a were made made. he new )Calculate the new mean of the sales per toy that day 744 capaci ty), du ats is a famous musical In a large theatre in Vienna (1 ity),during a erformances. The manager of the ga 7 Cats is a famous musical. In a large t e grou period of 10 years, it played 1000 performa a record of the empty seats on the days it played. Here is the table e ro 1-80 81-90 91-10 Number ofempty 1-10 1-20 21-30 31-40 41-50 51-6061-7071-808 seats 0 90 45 30 Days 15 50 100 170 260 220 90 table for thea information umber eats ays 15 165 815 b) Draw a cumulative frequency graph of this distribution. Use 1 unit on the vertical axis to represent the number of 100 days and 1 unit on the horizona axis to represent every 10 seats. o) Use the graph from b) to answer the following questions: Solution

