A convenience sample differs from a voluntary sample in thata convenience sample is structured based on accessibility to the researcher, and a voluntary sample is based on participant interest.
convenience samples survey each participant once, and voluntary samples survey each participant numerous times.
convenience sampling is a method of random sampling, and a voluntary sample is not.
convenience sampling is not a probability-based method, and voluntary sampling is.

Answers

Answer 1

Answer:

Answer: A convenience sample is structured based on accessibility to the researcher, and a voluntary sample is based on participant interest.

Step-by-step explanation:

For the conventional sample the researcher chooses a sample that is readily available in some non-random way. Thus, it is structured based on accessibility to the researcher.

But for the voluntary sample the researcher puts out a request for participants of a population to join the sample, and participants decide whether or not to be in the sample. Thus, it is based on participant interest.

Answer 2

Answer: The best answer to the incomplete statement above would be the first choice. A convenience sample differs from a voluntary sample because a convenience sample is based on how accessible or easily obtained participants are to the researcher, while a voluntary sample is based on the participants' interest of participating.

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Mark was thinking of a number. Mark doubles it and gets an answer of 64. What was the original number?

Answers

Answer:

Step-by-step explanation:

32x2=64

Answer:

Step-by-step explanation:

64/2=32

Which expressions are equivalent to 4(4a+5) ?Choose 3 answers: (Choice A) 16a+5 (Choice B,) 16a+20 (Choice C) 12a+20+4a (Choice D,) 2(8a+10) (Choice E) 16a+5+4

Answers

Answer:The correct answer is B

Step-by-step explanation:4(4a + 5)

Use the distributive property

(4)(4a) + (4)(5)

16a + 20

12.57 round to the nearest tenth

Answers

You get 12.6

After the decimal starts the the tenth place. In order to round to the tenth place, we need to know the hundredth place which is the 7. If the hundredth place is 5 or greater then we round up and if it's 4 or lower then we keep the tenth place the same number as it is before.

Since the hundredth place is greater than or equal to 5, we round up the tenth place to 6. If you have any questions then leave a comment. Good luck!

12.57 rounded to the nearest tenth is 12.6 because the 5 is the tenth place and you have to look at the number to the right of that which is 7. 5 and up rounds up, so the 5 becomes 6 and the 7 disappears.

A family of 5 is going on a cross-country vacation. For a bit of variety, the family of 5 decides that they will frequently change the seating arrangement in their 5-seated vehicle. How many seating arrangements can they make if ALL of them have their driver's license.

Answers

Answer:

Step-by-step explanation:

This questions bothers permutation since permutation talks about arrangement.

The number of ways n objects can be arranged is n! ways

n! = n(n-1)(n-2)!

If a family of 5 is going on a cross-country vacation, and decided to change their seating arrangement. The total seating arrangement that they can have is;

5! = 5*4*3*2*1

5! = 20*6

5! = 120 different arrangements

Is 30 a prime number

Answers

No, a prime number is a number that is only divisible by 1 and itself. For example, the numbers 2 and 3.
30 is divisible by 1,2,3,5,6,10,15, and 30.

No it's not beecause 30 has divisors rather than 1 and itself. 30 can be divided by 2 and 3.

Ravi rented a truck for one day. There was a base fee of $20.95 and there was an additional charge of 83 cents for each mile driven. Ravi has to pay $169.56 when he returned the truck. For how many miles did he drive the truck?

Answers

Answer:

180 miles

Step-by-step explanation:

hope this helps ;)

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