3 and the other in class 5. Calculate the new mean class size.III If the school's mean class size must not rise above 35, how many more children can1 Mean class size =II New mean111 For the mean size of 35, the sum of the number of students should be 5 × 35-175.be admitted in the school?the f34 +38 31+35 +32 131+35 + 32ution170-3534 + 38 + 32 + 35 + 33-172-34.4Hence, at the most 175-172-3 more students can be admitted.froEXERCISE 18Find the range and mean of the following observations:(a) 6, 5, 3, 5, 1, 6, 2, 7, 10(b) 13, 42, 28, 36, 40, 75(d) 1.2, 2.3, 3.5, 0, 2.6, 4.5, 3.4(c) 156, 142, 178, 162, 173, 175, 155

3 and the other in class 5. Calculate the new mean class size.III If t

1.	3 and the other in class 5. Calculate the new mean class size.III If the school's mean class size must not rise above 35, how many more children can1 Mean class size =II New mean111 For the mean size of 35, the sum of the number of students should be 5 × 35-175.be admitted in the school?the f34 +38 31+35 +32 131+35 + 32ution170-3534 + 38 + 32 + 35 + 33-172-34.4Hence, at the most 175-172-3 more students can be admitted.froEXERCISE 18Find the range and mean of the following observations:(a) 6, 5, 3, 5, 1, 6, 2, 7, 10(b) 13, 42, 28, 36, 40, 75(d) 1.2, 2.3, 3.5, 0, 2.6, 4.5, 3.4(c) 156, 142, 178, 162, 173, 175, 155
Answer» (a) n=9(odd) Mean =sum of observation /total no. Of observation 6+5+3+5+1+6+2+7+10/9=45/9=5So mean =5