In a maths test taken by $35$ students,the average score of $15$ girls is $10$ and that of $20$ boys is also $10$. Which of the following can be calculated based on the data we have?

  • A
    The highest score in the class.
  • B
    The lowest score among boys in the class.
  • C
    The sum of the scores of the $35$ students of the whole class.
  • D
    All the above can be calculated.

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Similar Questions

The median class in the following frequency distribution is $\ldots \ldots \ldots \ldots .$
Class $10-25$ $25-40$ $40-55$ $55-70$ $70-85$ $85-100$
Frequency $5$ $21$ $21$ $8$ $25$ $20$

The mean of ungrouped data and the mean calculated when the same data is grouped are always the same. Do you agree with this statement? Give reason for your answer.

For a given frequency distribution,$\Sigma f_{i} u_{i} = -13$,$n = \Sigma f_{i} = 100$,$A = 62.5$ and $c = 15$. Then,mean $\bar{x} = \dots$

Find the mean,median and mode of the following frequency distribution:
Class $5-10$ $10-15$ $15-20$ $20-25$ $25-30$ $30-35$
Frequency $11$ $20$ $35$ $20$ $8$ $6$

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In the formula $\bar{x} = \frac{\Sigma f_{i} x_{i}}{\Sigma f_{i}}$,$x_{i}$ represents ..........

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