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Sampling and Estimation

Authored by marielle santoyo

Other, Professional Development

Professional Development

Used 19+ times

Sampling and Estimation
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17 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

One way to control sampling risk is to increase sample size

True

False

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

There are three phases in both statistical and nonstatistical sampling. The first phase is to

generate random numbers for the sample

evaluate the results

plan the sample

select the sample

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following is not a phase in the planning of both statistical and nonstatistical sampling?

Plan the sample

Determine the probability that fraud has occurred

Select the sample and perform the tests

Evaluate the results

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

28% of all Woodrow students believe Monday will be snow day. You take a sample of 50 students and find that 15 of them believe Monday will be a snow day. What does 50 represent? 

n
P
phat
standard deviation

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What happens to the shape of a sampling distribution of sample means as n increases?

It becomes narrower and bimodal.
It becomes narrower and more normal.
It becomes wider and skewed right. 
It becomes wider and more normal. 

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

These symbols represent the mean and standard deviation for which of the following distributions?

The Population
The Sample
The Sampling Distribution

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What sampling method are you using if you survey every 5th person who enters the room.

Convenience

Systematic

Simple Random

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