The explanatory variable is the amount of exposure the student is given to classical music.
Hello,
Answer D
y=2x/7+4
x=2y/7+4
(x-4)*7/2=y
Answer:
Simple random sampling survey method
Step-by-step explanation:
A simple random sampling is an unbiased survey technique Hence it will represent all the parts of the city's population.
In statistics, a simple random sample is a subset of individuals (a sample) chosen from a larger set (a population). Each individual is chosen randomly and entirely by chance, such that each individual has the same probability of being chosen at any stage during the sampling process
the 2 numbers are 8 and 40
40*2 = 80 +8 = 88
