How many cases are there in which average of the circulation for an individual newspaper was more than the average of the circulation of all the newspapers?
Consider the following for the next three (03) items that follow:<br>Circulation figures (in thousands) of different newspapers (A, B, C, D, E) for five years are given below:<br> <table> <thead><tr><th>Year</th><th>A</th><th>B</th><th>C</th><th>D</th><th>E</th></tr></thead> <tbody> <tr><td>2019</td><td>20</td><td>10</td><td>15</td><td>8</td><td>20</td></tr> <tr><td>2020</td><td>12</td><td>12</td><td>18</td><td>12</td><td>12</td></tr> <tr><td>2021</td><td>24</td><td>14</td><td>17</td><td>14</td><td>15</td></tr> <tr><td>2022</td><td>26</td><td>10</td><td>16</td><td>15</td><td>9</td></tr> <tr><td>2023</td><td>22</td><td>16</td><td>14</td><td>16</td><td>11</td></tr> </tbody> </table>
- A. One
- B. Two ✓
- C. Three
- D. Four
Correct Answer: B. Two
Explanation
The overall average of all newspapers over 5 years is 378/25 = 15.12. The 5-year averages for A, B, C, D, and E are 20.8, 12.4, 16.0, 13.0, and 13.4 respectively. Only newspapers A and C have averages greater than 15.12, making it exactly two cases.
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