Subject: Maths, asked on 22/5/18

## Q. The mean of the following distribution is 57.6 and the sum of its frequencies is 50, find the missing frequencies  Class 0-20 20-40 40-60 60-80 80-100 100-120 Frequency 7 ${f}_{1}$ 12 ${f}_{2}$ 8 5

Subject: Maths, asked on 22/5/18

## Pls tell

Subject: Maths, asked on 22/5/18

## Q. If the median of the distribution given below is 28.5, find the values of x and y. C.I 0-10 10-20 20-30 30-40 40-50 50-60 Total f 5 8 x 15 y 5 60

Subject: Maths, asked on 27/4/18

## 1. Choose the correct answer from the given four options in the formula   For finding the mean of grouped data di's are deviations from a of (a) lowers limits of the classes          (b) Upper limits of the classes (c) Mid points of the classes             (d) Frequencies of the class marks

Subject: Maths, asked on 27/4/18

## 1. Choose the correct answer from the given four options in the formula  For finding the mean of grouped data di's are deviations from a of (a) lowers limits of the classes          (b) Upper limits of the classes (c) Mid points of the classes             (d) Frequencies of the class marks 2. If mean off the distribution is 7.5  $\begin{array}{ccccccc}X& 3& 5& 7& 9& 11& 13\\ F& 6& 8& 15& P& 8& 4\end{array}$ Then P :- (a) 2                 (b) 4                 (c) 3                    (d) 6

Subject: Maths, asked on 17/4/18

## I want to know that how the formula for finding the median of grouped data is derived?

Subject: Maths, asked on 17/4/18

## I want to know how the formula for finding the mode of grouped data is derived?

Subject: Maths, asked on 17/4/18

## I want to know how the shortcut and step deviation method of mean are derived?

Subject: Maths, asked on 29/3/18

## Q.28. Find the median of the following distribution: Marks <10 <20 <30 <40 <50 <60 <70 <80 <90 <100 No. of student 3 5 9 15 20 26 34 41 45 47

Subject: Maths, asked on 28/3/18

## What is thorey of relativity in mode median and mean

Subject: Maths, asked on 28/3/18

## Answer the given question with proper steps. Q.  The mean of the following distribution is 18. Find the frequency f of the class 19 — 21.

Subject: Maths, asked on 28/3/18

## Answer the given question with proper steps.

Subject: Maths, asked on 28/3/18

## solve this The table below shows the salaries of 280 persons  Calculate the median salary of the data,

Subject: Maths, asked on 28/3/18

## An integer is chosen at random between 0 and 100. Find the probability that it is divisible by 8. experts...

Subject: Maths, asked on 28/3/18

## Ogive needs to be drawn free hand or by joining points with a ruler? Is scale needed in ogive?

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