(i) Find the mean of 6, 10, 0, 7, 9 (ii) Find the mean of the first four odd natural numbers
Answers
[1]
Given :
- Given numbers are 6, 10, 0, 7, 9.
To Find :
- The mean of the above data.
Calculation :
In order to calculate the mean, formula is given by,
Calculating the total sum of observations :
On adding the numbers,
Therefore, sum of all observations (numbers) is 32.
And, total number of observations is 5.
Now let's put the values in the equation,
On cancelling the numbers, we get,
Henceforth,
- The mean of the given numbers is 6.4.
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[2]
Given :
- First four odd natural numbers which are 1, 3, 5, 7
To Find :
- The mean of the above data.
Calculation :
In order to calculate the mean, formula is given by,
Calculating the total sum of observations :
On adding the numbers,
Therefore, sum of all observations (numbers) is 16.
And, total number of observations is 4.
Now, as per the formula, let's plug the values in the equation,
On cancelling the numbers, we get,
Therefore,
- The mean of the given numbers is 4.
Given :
Given numbers are 6, 10, 0, 7, 9.
To Find :
The mean of the above data.
Calculation :
In order to calculate the mean, formula is given by,
Mean=
Numberofobservations
Sumofallobservations
Calculating the total sum of observations :
⟹6+10+0+7+9
On adding the numbers,
32
Therefore, sum of all observations (numbers) is 32.
\star⋆ And, total number of observations is 5.
Now let's put the values in the equation,
5
32
On cancelling the numbers, we get,
Mean=6.4
★
Henceforth,
The mean of the given numbers is 6.4.
____________________________________
[2]
Given :
First four odd natural numbers which are 1, 3, 5, 7
To Find :
The mean of the above data.
Calculation :
In order to calculate the mean, formula is given by,
Mean=
Numberofobservations
Sumofallobservations
Calculating the total sum of observations :
1 + 3 + 5 + 7:⟹1+3+5+7
On adding the numbers,
16
Therefore, sum of all observations (numbers) is 16.
⋆ And, total number of observations is 4.
Now, as per the formula, let's plug the values in the equation,
⇢Mean=
4
16
On cancelling the numbers, we get,
⇢
Mean=4
★
Therefore,
The mean of the given numbers is 4.