Question

The average of the first 20 integral multiples of 7 is

Answer 1

1. Question⇒ The average of the first 20 integral multiples of 7 is

Step-by-step explanation:

• Mean = sum of obs / number of observations  
• Sum of first 20 multiples of 7 is n (n+1) /2  
• = 20×21/2  
• = 210  
• Therefore, Mean of first 20 multiples 7 is 210 / 20
• = 10.5..  Answer