Question

Find the mean of the first 25 multiples of 10?
(a) 150 (b) 125 (c) 120
(d) 130​

Answer 1

Answer:

(d) 130

Step-by-step explanation:

first 25 multiples of 10 =

10,20,30,40,50,60,70,80,90,10,110,120,130,140,150,160,170,180,190,200,210,220,230,240,250.

Mean = Sum of the observation

Number of observation

=10+20+30+40+50+60+70+80+90+100+110+120+130+140+150+160+170+180+190+200+210+220+230+240+250

25

=3250

25

=130