Question

Find the mean of first seven multiples of 5

Answer 1

Answer:

5,10,15,20,25,30,35

Step-by-step explanation:

Answer 2

The mean of first seven multiples of 5 is 20

Step-by-step explanation:

First seven multiples of 5 :

$5 \times 1 = 5\\5 \times 2 = 10 \\5 \times 3 = 15\\5 \times 4 = 20\\5 \times 5 = 25\\5 \times 6 = 30\\5 \times 7 = 35$

Formula :$Average = \frac{\text{Sum of all observations}}{\text{No. of all observations}}$

So, $\text{Mean of first 7 multiples of 5 }=\frac{5+10+15+20+25+30+35}{7}=20$

Hence The mean of first seven multiples of 5 is 20

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