Question

question 8 please do all the parts whatsoever do my all the cards I will make him or her in the brain list

Answer 1

3) The median of these observations: 23,27,31,35,(x+1),(x+5),45,50,54,57= 40
= the difference between 23 and 27= 4
= the difference between 27 and 31=3
= the difference between 31 and 35=4
So the pattern is like this = 4 then 3 then 4.
= after this to 35, 2 will be added.
= then 35+2=37
= (x+1)and (x+5)= 37+1=38
37+5=42
38+42=80
= 80/2=40
So the value of x is 37 and the 5th and 6th observations are 38 and 42 respectively.
4) The first ten prime natural numbers are :
2,3,5,7,11,13,17,19,23,29.
The median is 11+13=24/2=12
So 12 is the median.
= the means is 2+3+5+7+11+13+17+19+23+29= 129/10= 12.9
= 12.9-12.0=0.9
So the difference between the means and the median of the first prime natural numbers is 0.9.
1) in English =36
Hindi= 44
Math=75
Science =x
The average score he scored is 50.
Average means mean.
Mean = sum of the observation
____________________
Number of the observation
That means = 36+44+75+x
__________= 50
5
= 36+44+75+x= 50×5=250
36+44+75+x= 250
= 155+x= 250
= 250-155=95
So x = 95.
He secured 95 marks in science.