Subject: Maths, asked on 26/10/12

## Find the mean, median and mode for the following set of scores: 24, 18, 19, 12, 23, 20, 21, 22

Subject: Maths, asked on 11/1/13

## what is the formula of mean , median , mode ?

Subject: Maths, asked on 16/10/13

## what is the correct formula for adjusted frequency because wile doing the examples on meritnation the formula used was:-Adjusted frequency= frequency/class size*minimum class sizewhereas in the video regarding the histogram where adjusted frequency was used the formula applied there was:-Adjusted frequency= minimum class size/class size*frequency

Subject: Maths, asked on 5/3/13

## what is class, class size, class interval and class marks????? plz plz plz answer fast......or else i will fail.......plz

Subject: Maths, asked on 27/2/17

## The mean income of a group of persons is Rs. 400. Another group of persons has mean income Rs. 48. If the mean income of all the persons in the two groups together is Rs. 430, then find ratio of the number of persons in the group..

Subject: Maths, asked on 10/3/15

## In a frequency distribution, the mid-value of a class is 20 and the width of the class is 8.then what is the lower limit ?

Subject: Maths, asked on 25/2/15

## Find the mean IQ for the eight students whose individual IQ scores are 80, 100, 105, 90, 112, 115, 110, 120.

Subject: Maths, asked on 11/2/12

## If mean of 5 observations x , x+2 , x+4 , x+6 , x+8 is 11.Find the median of first three observations.

Subject: Maths, asked on 31/12/15

## the following data has been arranged in ascending order: 18,20,25,26,30,x,37,38,39,48 if the median of the data is 35, find x. in the above data if 48 is changed to 28 what will the new median be

Subject: Maths, asked on 29/12/12

## Plz help,Find the missing frequencies f1 and f2 in the following frequeny distribution, if it is know that the mean of the distribution is 1.46 xi 0 1 2 345 total fi 46 fi f2 25 10 5200

Subject: Maths, asked on 12/2/17

## The class mark of a particular class is 6.5 and it's class size is 3. Write the next 3 classes. If they are continuous.

Subject: Maths, asked on 2/3/13

## The mean of first 8 observations is 18 and last 8 observations is 20 . If the mean of all 15 observations is 19 , find the 8 th observation?

Subject: Maths, asked on 13/11/13

## The mean height of 10 students is 153 cm. It is discovered later on that while calculating, 151 was misread as 141 cm. Find the correct mean

Subject: Maths, asked on 8/3/13

## the two consecutive class marks of a distribution are 52 and 57. find the class limits of two intervals

Subject: Maths, asked on 27/11/16

## 21. In the following groups of data, tell whether the mean or the median best describes the data: (i) 6, 4, 2, 12, 2 (ii) 31, 28, 24, 9, 23 (iii) 45, 51, 47, 65, 36 (iv) 10, 20, 30, 100, 9

Subject: Maths, asked on 8/2/14

## whats the difference between class interval, class size,class limit,class mark and also ranges,width and length of rectangle ?

Subject: Maths, asked on 15/3/15

## FIND THE MEAN OF FIRST FIVE PRIME NUMBER

Subject: Maths, asked on 24/9/19

## in and examination the average grade of all students in class A 68.4 and that of students in class b is 71.2, if the average of both the classes combined is 70 find the ratio of the number of students in class A the number in class B

Subject: Maths, asked on 20/2/13

## Find the value of p, if the mean of the following distribution is 20x: 15 17 19 20+p 23f: 2 3 4 5p 6note : the method should be of sigma fixi.

Subject: Maths, asked on 6/11/12

## The mean weight of 8 numbers is 15, if each number is multiplied by 2, what will be the new mean

Subject: Maths, asked on 24/12/12

## how too find class marks ??explain with an example ??wat is histogram , expalin with an example !?expain who to find scale with example !???

Subject: Maths, asked on 10/3/13

## For a particular year following is the distribution of ages (in years) of primary school teachers in a district Age (in years) 15-20 20-25 25-30 30-35 35-40 40-45 45-50 No. of teachers 10 30 50 50 30 6 4 1)      1) Write the lower limit of first class interval 2)      2) Determine the class limits of the fourth class interval 3)      3) Find the class mark of the class 45-50 4)  Determine the class-size

Subject: Maths, asked on 11/2/13

## Differentiate between class limits and true class limits.Give examples

Subject: Maths, asked on 5/1/14

## Why is Mode, Mean, Median called as Measures of Central Tendency ?

Subject: Maths, asked on 26/11/12

## what is the exact formula for ADJUSTED FREQUENCY??????????????BECAUSE 2 VIDEOS OF THE SAME CHAPTER BUT OF OTHER LESSON SHOW DIFFERENT FORMULA SO WHICH ONE IS CORRECT.

Subject: Maths, asked on 24/12/11

## 1)  class mark of a particular class is 6.5 and class size is 3 , then class interval is - a) 5 - 8    b) 6.5 - 9.5     c) 3.5 - 6.5      d) none of  these2)  the mean of 100 observations is 50 . if the observation 50 is replaced by 150 , what will be the          resulting mean?

Subject: Maths, asked on 9/2/16

## How to find class interval when class mark is given

Subject: Maths, asked on 11/4/13

## for calculating mean we should need xf and for calculating median we need cf is that right.

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