Quiz about Quiz - Sampling Distribution

Question 1

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

Accepted Answer

The Sample

Answer

The Population

Answer

The Sampling Distribution

Question 2

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

Accepted Answer

The Sampling Distribution

Answer

The Population

Answer

The Sample

Question 3

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

Accepted Answer

The Population

Answer

The Sample

Answer

The Sampling Distribution

Question 4

The mean and standard deviation of a population are 200 and 20, respectively. Sample size is 25.
What is the standard deviation of the sampling distribution?

Accepted Answer

4

Answer

200

Answer

16

Answer

25

Question 5

The mean and standard deviation of a population are 200 and 20, respectively. Sample size is 25.
What is the mean of the sampling distribution?

Accepted Answer

200

Answer

16

Answer

25

Answer

4

Question 6

At a particular college, 78% of all students are receiving some kind of financial aid.The school newspaper selects a random sample of 100 students and 72% of the respondents say they are receiving some sort of financial aid. Which of the following is true?

Accepted Answer

78% is a parameter and 72% is a statistic

Answer

78% is a population and 72% is a sample.

Answer

72% is a population and 78% is a sample

Answer

72% is a parameter and 78% is a statistic

Question 7

The mean and standard deviation of a population are 200 and 20, respectively.
What is the probability of selecting one data value less than 190?

Accepted Answer

31%

Answer

69%

Answer

42%

Answer

58%

Question 8

The mean and standard deviation of a population are 200 and 20, respectively.
What is the probability of selecting 25 data values with a mean less than 190?

Accepted Answer

0.6%

Answer

69%

Answer

31%

Answer

99%

Question 9

The mean and standard deviation of a population are 200 and 20, respectively. Sample size is 25.
What is the standard error of the sampling distribution?

Accepted Answer

4

Answer

200

Answer

16

Answer

25

Question 10

What name refers to the standard deviation of the sampling distribution?

Accepted Answer

standard error

Answer

sampling deviation

Answer

mean deviation

Answer

sampling error

Question 11

The mean and standard deviation of a population are 200 and 20, respectively.
What is the probability of selecting 64 data values with a mean between 195 and 200?

Accepted Answer

48%

Answer

41%%

Answer

1.5%

Answer

0.5%

Question 12

The mean and standard deviation of a population are 200 and 20, respectively.
What is the probability of selecting 100 data values with a mean greater than 202?

Accepted Answer

16%

Answer

45%

Answer

36%

Answer

25%

Question 13

The mean and standard deviation of a population are 200 and 20, respectively. Sample size is 25.
What is the variance of the sampling distribution?

Accepted Answer

16

Answer

200

Answer

25

Answer

4

Question 14

The mean and standard deviation of a population are 200 and 20, respectively. Sample size is 25.
What is the mean of the sampling distribution?

Accepted Answer

200

Answer

16

Answer

25

Answer

4

Question 15

Identify the Sample:

A restaurant wants to know if their customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The restaurant concluded that most customers do not order dessert.

Accepted Answer

20 customers

Answer

All customers

Answer

8 customers

Answer

Dessert

Quiz - Sampling Distribution

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