Answer: Regression line equation: 
Step-by-step explanation:
Equation of least-squares regression line for predicting y :
, where 
, 
Given: 
Then,
Now,
Then, Regression line equation:
25 is the answer..............
3 feet = 1 yard
12/3 =4
15/3 = 5
4*5 = 20 square yards per room
20*2 = 40 square yards total
Answer:
a. A relative-frequency distribution is to a variable as a ___probability_______ distribution is to a random variable. b. A relative-frequency histogram is to a variable as a _____probability_____ histogram is to a random variable.
Step-by-step explanation:
Probability is a type of mathematics which deals with numerical descriptions of how likely an event would occur, or how likely it is that a the occurrence would be true. The probability of an event is usually between 0 and 1,
where 0 represent impossibility and 1 represents the chance of it occurring.
