Basically the situation has to have two variables that have a correlation.
Weights of apples - one variable
Daily temperatures - one variable
Ice cream sales - one variable
Apple sales compared to the average temperature that day - Two variables because you have apple sales as a result of temperature.
answer: D
Answer:
B. 0.10 - 0.20 = 0.10.
Step-by-step explanation:
100/1000 = 0.10 of the population were born , and
200/1000 = 0.20 of the population died so it is:
0.10 - 0.20 = 0.10.
Answer:
m=-5
Step-by-step explanation:
Answer:
the mean of 8 children = mean of 5 boys + mean of 3 girls / 2
10.5 + 9.5 / 2
20 / 2
= 10 kg
therefore mean of 8 children is 10 kg
