If the mean of the following data is 5 them , find the value of
xi | 5 | 10 | 15 | 20 | 25 |
fi | 6 | 4 | 5 | P | 7 |
Dear Student,
xi | fi | xifi |
5 | 6 | 30 |
10 | 4 | 40 |
15 | 5 | 75 |
20 | p | 20p |
25 | 7 | 175 |
Total | 22 + p | 320 + 20p |