Answer:
first one : (7+12+3+4+4+8)*2=76
Answer:
Correlation Coefficient
Step-by-step explanation:
Correlation Coefficient: The correlation coefficient is a numerical measure that measures the strength and direction of a linear relationship between two quantitative variables.
To find 10per cent just divide by 10, the answer is 8
Answer:

Step-by-step explanation:
On the right side of the = multiply -4 through

add 28a and add 4 to both sides


divide both sides by 22

Answer:

Step-by-step explanation:






