Advertisements
Advertisements
प्रश्न
A cricketer scores the following runs in eight innings:
58, 76, 40, 35, 46, 45, 0, 100
Find the mean score.
Advertisements
उत्तर
Runs scored by the cricketer are 58, 76, 40, 35, 46, 45, 0 and 100.
Mean score = `"Total runs scored in all innings"/"Total number of the innings"`
Mean score = `(58 + 76 + 40 + 35 + 46 + 45 + 0 + 100)/8`
= `400/8`
= 50
Therefore, mean score is 50.
APPEARS IN
संबंधित प्रश्न
The following table shows the electricity (in units) used by 25 families of Eklara village in a month of May. Complete the table and answer the following questions.
| Electricity used (units) `bb(x_i)` |
No. of Families (frequency) `bb(f_i)` |
`bb(f_ix_i)` |
| 30 | 7 | _________ |
| 45 | 2 | __________ |
| 60 | 8 | __________ |
| 75 | 5 | __________ |
| 90 | 3 | __________ |
| N = _________ | `sum f_ix_i` = ______ |
- How many families use 45 units electricity?
- State the score, the frequency of which is 5.
- Find N, and `sum f_ix_i`
- Find the mean of electricity used by each family in the month of May.
In a class test in mathematics, 10 students scored 75 marks, 12 students scored 60 marks, 8 students scored 40 marks and 3 students scored 30 marks. Find the mean of their score
In a research laboratory scientists treated 6 mice with lung cancer using natural medicine. Ten days later, they measured the volume of the tumor in each mouse and given the results in the table
| Mouse marking | 1 | 2 | 3 | 4 | 5 | 6 |
| Tumor Volume (mm3) | 145 | 148 | 142 | 141 | 139 | 140 |
Find the mean
The mean of the square of first 11 natural numbers is
The mean of first ten natural numbers is ____________
The average of integers between −10 to 10 is __________
Find the mean of the following data.
5.1, 4.8, 4.3, 4.5, 5.1, 4.7, 4.5, 5.2, 5.4, 5.8, 4.3, 5.6, 5.2, 5.5
Find the mean and mode of 6, 11, 13, 12, 4, 2
Let x, y, z be three observations. The mean of these observations is ______.
Mean of the data is always from the given data.
