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Post a LessonAnswered on 19/04/2024 Learn CBSE - Class 10/Mathematics/UNIT VII: Statistics and probability/Statistics
Sadika
If each observation in a continuous frequency distribution is increased by 5, the median of the new data set will also increase by 5. This is because the median is the middle value of the data set, and adding the same constant to every observation simply shifts the entire data set by that constant.
Answered on 19/04/2024 Learn CBSE - Class 10/Mathematics/UNIT VII: Statistics and probability/Statistics
Sadika
Let's denote:
Given:
Answered on 19/04/2024 Learn CBSE - Class 10/Mathematics/UNIT VII: Statistics and probability/Statistics
Sadika
To find the correct mean, we first need to adjust the sum of the observations by adding the difference between the correct value of 125 and the wrongly noted value of 25. Then we can divide this adjusted sum by the total number of observations.
Answered on 19/04/2024 Learn CBSE - Class 10/Mathematics/UNIT VII: Statistics and probability/Statistics
Sadika
To find the mean of the 32 numbers, we can use the concept of weighted averages.
Given:
Let's denote:
Answered on 03/01/2022 Learn CBSE - Class 10/Mathematics/UNIT VII: Statistics and probability/Statistics
Swati R.
NET JRF qualified and preparing for PhD..
First 10 Natural numbers are:- 1,2,3,4,5,6,7,8,9,10
Mean = Sum of all numbers/ total number of observations
= 1+2+3+4+5+6+7+8+9+10 / 10
= 55/ 10
= 5.5
Therefore, 5.5 is the mean of first 10 natural numbers
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