Answer: a) undercoverage.
Step-by-step explanation:
- <u>Undercoverage</u>: It is a kind of selection bias. When some data is represented inaccurately in a survey, then we call it suffer from undercoverage.
- <u>False response</u>: It means the survey shows false results.
- <u>Non response</u>: It means the survey shows no response.
Here, 4% of households have no telephone, 10% have only cell phones, and another 25% have unlisted telephone numbers.
It shows that data inadequately represented in the sample.
Thus, the sample will suffer from<u> undercoverage</u>.
Correct option: a) undercoverage.
Divide them and youll get your answer
Answer:
No.
Step-by-step explanation:
In order to complete the square, you need to have the x values together, not the constant.
To complete the square <em>correctly </em>you would need to have x² - 20x = -6 and continue from there; divide 20 by 2 and square the result to get (x - 10)² = 96.
Answer:
the numbers are 7 and -3
Step-by-step explanation:
Answer:
86
Step-by-step explanation:
180 - 94 = 86
