Answer:
8
Step-by-step explanation:
average is calculated as
average = 
= 13 ( multiply both sides by 2 )
sum of 2 eldest = 26
Then for the 4 children
average = 
= 
= 8
Substitute each x and the respecting y to the equation
<span>The first quartile (Q1) is defined as the middle number between the smallest number and the median of the data set.</span>
Answer:
x = 19
Step-by-step explanation:
2x - 10 = 28
2x = 38
x = 19
Best of Luck!
Answer:
Step-by-step explanation:
y= -833.3+42,000
29,500
