Answer:
The sampling method used is a stratified sampling method
Step-by-step explanation:
sampling is the selection of a predetermined representative subpopulation from a larger population, to estimate the characteristics of the whole population.
Stratified sampling: Here, the total population are divided into subcategories (strata) before sampling is done. The strata are formed based on some common characteristics. In our example, the times of the day (morning, afternoon and evening) has widely varying atmospheric conditions which will add biases to the measurement of air quality. For example, the air in the morning if compared to the afternoon in an industrial area may be purer because of minimal industrial activity, hence effective comparison will be made by stratification.
Yes..the absolute answer is 245.34
Answer:
The answer is 140
Step-by-step explanation:
You multiply 400 by 0.35 to get your answer. So, it would be 140 :) Hope i helped!
Answer:
5. 2[4 + n]
6. 7 + 314n
7. 3 + n = ⁿ⁄8
Step-by-step explanation:
5.Twice the sum means you need to double the sum. That is why that 2 is on the outside of the sum.
6. 314 OF a number means "the product of" a number. Then, you continue with your SUM by putting a "+" after 314n.
7. I could not make use of your sentence here, so I went with the above answer based on how the sentence might be structured.
I am joyous to assist you anytime.
assuming you mean 30.5 and 10 feet, the height is 15 feet.
Step-by-step explanation:
Volume = length X width X height
so
4,575 = 30.5 X 10 X height
4,575 = 305 X height
4,575 / 305 = height
15 equals height
