Answer:
40
Step-by-step explanation:
The frequency column gives the number of houses in the sample, then
number of houses = 5 + 11 + 23 + 1 = 40
Answer:
It is biased.
Step-by-step explanation:
Some individuals may prefer to have noisy, heavy increases in traffic where the individual lives because of the mall. If the individual likes it or not is subjective.
I don't know what 'which of the following' is referring to, but the line has a positive slope, goes through the origin, and has a slope of 2/3.