The excluding type of class $30-45$ does not include .........

  • A
    $30$
  • B
    $32$
  • C
    $40$
  • D
    $45$

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Similar Questions

Find the mean of the following data by all the three methods:
Class $50-70$ $70-90$ $90-110$ $110-130$ $130-150$ $150-170$
Frequency $10$ $18$ $7$ $6$ $5$ $4$

In a maths test taken by $40$ students,the average score of $30$ boys is $16$ and the average score of $10$ girls is $12$. Which of the following gives the average score of the whole class?

In the formula $\bar{x} = a + \frac{\sum f_{i} d_{i}}{\sum f_{i}}$ for finding the mean of grouped data,$d_{i}$ are deviations from $a$ of:

In the following distribution:
Monthly income range (in $Rs.$) Number of families
Income more than $10000$ $100$
Income more than $13000$ $85$
Income more than $16000$ $69$
Income more than $19000$ $50$
Income more than $22000$ $33$
Income more than $25000$ $15$

The number of families having an income range (in $Rs.$) of $16000-19000$ is:

For the calculations of mode of a grouped data,the maximum frequency of a class is denoted by $\ldots \ldots \ldots . .$

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