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BARSIC [14]
3 years ago
6

Is the following an example of simple random, cluster, systematic or convenience sampling?

Mathematics
1 answer:
yanalaym [24]3 years ago
7 0
The following is an example of a cluster sampling.

Cluster sampling<span> is a </span>sampling<span> technique used when "natural" but relatively heterogeneous groupings are evident in a statistical population. It is often used in marketing research. In this technique, the total population is divided into these groups (or </span>clusters) and a simple randomsample<span> of the groups is selected.</span>

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30 POINTS FOR PEOPLE WHO ANSWER CORRECTLY!
qwelly [4]

Answer:

1. 60 cm^2

2. 132.67 cm^2

3. 72.67 cm^2

Step-by-step explanation:

1. Area of rectangle

A = LW = 5 cm * 12 cm = 60 cm^2

2. Area of circle

A = (pi)r^2 = 3.14(6.5 cm)^2 = 132.67 cm^2

3. Area of shaded region

A = area of circle - area of rectangle

A = 132.7 cm^2 - 60 cm^2 = 72.67 cm^2

6 0
3 years ago
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Find the number,if 1/5 of it is 15
Nikitich [7]

Answer:

The number is 75

Step-by-step explanation:

Let x be the unknown number

of means multiply and is means =

1/5 x = 15

Multiply each side by 5

5 * 1/5 x = 5*15

x = 75

4 0
3 years ago
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There are 7 cars in a amusement park ride.There are 42 people divided equally among the 7 cars.How many people ride in 1 car?
Svetlanka [38]
6 people ride in 1 car. Because 7x6= 42, therefore makes it equal
8 0
3 years ago
Lim wrote several pairs of values that he thought were equivalent. Which of his equations is correct?
Annette [7]

Answer:

I believe the correct answer would be A: 3/5 = 60

Step-by-step explanation:

Firstly, the second option is wrong because 0.06 would be 6 hundredths, so that is wrong, the third option would be incorrect because 0.002 would equal 2 thousandths so that is also wrong, and the fourth option would be 25% instead of 75%, so your answer should be A.

7 0
3 years ago
Which expression represents 6 less than a number?
melamori03 [73]

Answer:

6<

Step-by-step explanation:

5 0
3 years ago
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