Question

Seema obtained the following scores (out of 100) on a set of spelling tests: 80,85,90,71,60,100.what is her mean score?

Answer 1

heya mate here's your answer...

Answer:

mean = 81

Step-by-step explanation:

mean means average..

avg = sum of observations/ number of observations

so, mean= avg= (80+85+90+71+60+100) / 6

=486/6

=81

thanks.. have a great day ahead... you