Answer:
11.5
Step-by-step explanation:
Make c the subject of the formula
C=(a-db) /2
Substitute the values of a, b and d into the equation
Using geogebra (see attached), I get roughly r = 0.98886 which rounds to r = 0.989
Answer:
0.989Side Note: The fact that r is very close to +1 means the data set has strong positive linear correlation. The points all fall very close to a line with positive slope.
Twelve and eight hundred seventy three thousandths