lag question: Question 1

The mean of patient satisfaction scores from a patient satisfaction survey with samplesn= 36 is 49.5. Score standard deviation in population=6is assumed to be known. Given the z-statistics in the table below, answer the following question

alpha- level	Confidence level	z-value
0.32	68%	1
0.2	80%	1.28
0.1	90%	1.64
0.05	95%	1.96
0.01	99%	2.58
0.001	99.9%	3.28

A 68% confidence interval is

Group of answer choices

48.50 to 50.50

48.22 to 50.78

46.92 to 52.08

46.22 to 52.78

47.86 to 51.14

47.54 to 51.46

Flag question: Question 2

The proportion of successes in a sample is 0.5. The sample size is 100. Given the z-statistics in table below, answer the following question

alpha-level	Confidence level	z-value
0.30	70%	1.04
0.2	80%	1.28
0.1	90%	1.64
0.05	95%	1.96
0.01	99%	2.58
0.001	99.9%	3.29

The 70% confidence interval is

Group of answer choices

0.45 to 0.55

0.44 to 0.56

0.42 to 0.58

0.40 to 0.60

0.37 to 0.63

0.34 to 0.66

Flag question: Question 3

The mean of patient satisfaction scores from a patient satisfaction survey with samplesn= 36 is 49.5. Score standard deviation in population=6is assumed to be known. Given the z-statistics in the table below, answer the following question

alpha- level	Confidence Level	z-value
0.32	68%	1
0.2	80%	1.28
0.1	90%	1.64
0.05	95%	1.96
0.01	99%	2.58
0.001	99.9%	3.28

A 80% confidence interval is

Group of answer choices

48.50 to 50.50

48.22 to 50.78

46.92 to 52.08

46.22 to 52.78

47.86 to 51.14

47.54 to 51.46

Flag question: Question 4

The mean of patient satisfaction scores from a patient satisfaction survey with samples n=16 is 49.5. Sample score standard deviation iss= 4 (assumed population variance unknown). Given the t-statistics in the table below, answer the following question.

alpha-level	Confidence level	t-value
0.2	80%	1.34
0.1	90%	1.75
0.05	95%	2.13
0.01	99%	2.95
0.001	99.9%	4.07

The 80% confidence interval is

Group of answer choices

48.16 to 50.84

47.75 to 51.25

47.37 to 51.63

46.55 to 52.45

45.43 to 53.57

Flag question: Question 5

The proportion of successes in a sample is 0.5. The sample size is 100.

Given the z-statistics in table below, answer the following question

alpha-level	Confidence level	z-value
0.30	70%	1.04
0.2	80%	1.28
0.1	90%	1.64
0.05	95%	1.96
0.01	99%	2.58
0.001	99.9%	3.29

The 80% confidence interval is

Group of answer choices

0.45 to 0.55

0.44 to 0.56

0.42 to 0.58

0.40 to 0.60

0.37 to 0.63

0.34 to 0.66

Flag question: Question 6

The mean of patient satisfaction scores from a patient satisfaction survey with samplesn= 36 is 49.5. Score standard deviation in population=6is assumed to be known. Given the z-statistics in the table below, answer the following question

alpha - level	Confidence level	z-value
0.32	68%	1
0.2	80%	1.28
0.1	90%	1.64
0.05	95%	1.96
0.01	99%	2.58
0.001	99.9%	3.28

A 90% confidence interval is

Group of answer choices

48.50 to 50.50

48.22 to 50.78

46.92 to 52.08

46.22 to 52.78

47.86 to 51.14

47.54 to 51.46

Flag question: Question 7

The mean of patient satisfaction scores from a patient satisfaction survey with samples n=16 is 49.5. Sample score standard deviation iss= 4 (assumed population variance unknown). Given the t-statistics in the table below, answer the following question.

alpha-level	Confidence level	t-value
0.2	80%	1.34
0.1	90%	1.75
0.05	95%	2.13
0.01	99%	2.95
0.001	99.9%	4.07

The 90% confidence interval is

Group of answer choices

48.16 to 50.84

47.75 to 51.25

47.37 to 51.63

46.55 to 52.45

45.43 to 53.57

Flag question: Question 8

The proportion of successes in a sample is 0.5. The sample size is 100.

Given the z-statistics in table below, answer the following question

alpha-level	Confidence level	z-value
0.30	70%	1.04
0.2	80%	1.28
0.1	90%	1.64
0.05	95%	1.96
0.01	99%	2.58
0.001	99.9%	3.29

The 90% confidence interval is

Group of answer choices

0.45 to 0.55

0.44 to 0.56

0.42 to 0.58

0.40 to 0.60

0.37 to 0.63

0.34 to 0.66

Flag question: Question 9

A 95% confidence interval for the population mean is153. The confidence interval length is

Group of answer choices

6

12

15

18

21

Flag question: Question 10

A 95% confidence interval for the population mean(Links to an external site.)is153. The lower confidence limit is

Group of answer choices

9

12

15

18

21

Flag question: Question 11

A 95% confidence interval for population mean(Links to an external site.)is153. The point estimate is

Group of answer choices

6

12

15

18

21

Flag question: Question 12

A 95% confidence interval for the population mean is153. The upper confidence limit is

Group of answer choices

6

12

15

18

21

Flag question: Question 13

A 95% confidence interval for population meanis153. This confidence interval is used to test the null hypothesisH0=10.

Group of answer choices

RejectH0

RetainH0

Can not decide

Flag question: Question 14

The mean of patient satisfaction scores from a patient satisfaction survey with samplesn= 36 is 49.5. Score standard deviation in population=6is assumed to be known. Given the z-statistics in the table below, answer the following question

alpha-level	Confidence level	z-value
0.32	68%	1
0.2	80%	1.28
0.1	90%	1.64
0.05	95%	1.96
0.01	99%	2.58
0.001	99.9%	3.28

A 95% confidence interval is

Group of answer choices

48.50 to 50.50

48.22 to 50.78

46.92 to 52.08

46.22 to 52.78

47.86 to 51.14

47.54 to 51.46

Flag question: Question 15

The mean of patient satisfaction scores from a patient satisfaction survey with samples n=16 is 49.5. Sample score standard deviation iss= 4 (assumed population variance unknown). Given the t-statistics in the table below, answer the following question.

alpha-level	Confidence level	t-value
0.2	80%	1.34
0.1	90%	1.75
0.05	95%	2.13
0.01	99%	2.95
0.001	99.9%	4.07

The 95% confidence interval is

Group of answer choices

48.16 to 50.84

47.75 to 51.25

47.37 to 51.63

46.55 to 52.45

45.43 to 53.57

Flag question: Question 16

The proportion of successes in a sample is 0.5. The sample size is 100.

Given the z-statistics in table below, answer the following question

alpha-level	Confidence level	z-value
0.30	70%	1.04
0.2	80%	1.28
0.1	90%	1.64
0.05	95%	1.96
0.01	99%	2.58
0.001	99.9%	3.29

The 95% confidence interval is

Group of answer choices

0.45 to 0.55

0.44 to 0.56

0.42 to 0.58

0.40 to 0.60

0.37 to 0.63

0.34 to 0.66

Flag question: Question 17

The mean of patient satisfaction scores from a patient satisfaction survey with samplesn= 36 is 49.5. Score standard deviation in population=6is assumed to be known.Given the z-statistics in the table below, answer the following question

alpha- level	Confidence level	z-value
0.32	68%	1
0.2	80%	1.28
0.1	90%	1.64
0.05	95%	1.96
0.01	99%	2.58
0.001	99.9%	3.28

A 99% confidence interval is

Group of answer choices

48.50 to 50.50

48.22 to 50.78

46.92 to 52.08

46.22 to 52.78

47.86 to 51.14

47.54 to 51.46

Flag question: Question 18

The mean of patient satisfaction scores from a patient satisfaction survey with samples n=16 is 49.5. Sample score standard deviation iss= 4 (assumed population variance unknown). Given the t-statistics in the table below, answer the following question.

alpha-level	Confidence level	t-value
0.2	80%	1.34
0.1	90%	1.75
0.05	95%	2.13
0.01	99%	2.95
0.001	99.9%	4.07

The 99% confidence interval is

Group of answer choices

48.16 to 50.84

47.75 to 51.25

47.37 to 51.63

46.55 to 52.45

45.43 to 53.57

Flag question: Question 19

The proportion of successes in a sample is 0.5. The sample size is 100.

Given the z-statistics in table below, answer the following question

alpha-level	Confidence level	z-value
0.30	70%	1.04
0.2	80%	1.28
0.1	90%	1.64
0.05	95%	1.96
0.01	99%	2.58
0.001	99.9%	3.29

The 99% confidence interval is

Group of answer choices

0.45 to 0.55

0.44 to 0.56

0.42 to 0.58

0.40 to 0.60

0.37 to 0.63

0.34 to 0.66

Flag question: Question 20

The mean of patient satisfaction scores from a patient satisfaction survey with samplesn= 36 is 49.5. Score standard deviation in population=6is assumed to be known. Given the z-statistics in the table below, answer the following question

alpha - level	Confidence level	z-value
0.32	68%	1
0.2	80%	1.28
0.1	90%	1.64
0.05	95%	1.96
0.01	99%	2.58
0.001	99.9%	3.28

A 99.9% confidence interval is

Group of answer choices

48.50 to 50.50

48.22 to 50.78

46.92 to 52.08

46.22 to 52.78

47.86 to 51.14

47.54 to 51.46

Flag question: Question 21

The mean of patient satisfaction scores from a patient satisfaction survey with samples n=16 is 49.5. Sample score standard deviation iss= 4 (assumed population variance unknown). Given the t-statistics in the table below, answer the following question.

alpha-level	Confidence level	t-value
0.2	80%	1.34
0.1	90%	1.75
0.05	95%	2.13
0.01	99%	2.95
0.001	99.9%	4.07

The 99.9% confidence interval is

Group of answer choices

48.16 to 50.84

47.75 to 51.25

47.37 to 51.63

46.55 to 52.45

45.43 to 53.57

Flag question: Question 22

The proportion of successes in a sample is 0.5. The sample size is 100.

Given the z-statistics in table below, answer the following question

alpha-level	Confidence level	z-value
0.30	70%	1.04
0.2	80%	1.28
0.1	90%	1.64
0.05	95%	1.96
0.01	99%	2.58
0.001	99.9%	3.29

The 99.9% confidence interval is

Group of answer choices

0.45 to 0.55

0.44 to 0.56

0.42 to 0.58

0.40 to 0.60

0.37 to 0.63

0.34 to 0.66

Flag question: Question 23

A confidence interval for the population mean is153. The value 15 in this expression is the estimate's margin of error.

Group of answer choices

True

False

Flag question: Question 24

A confidence interval for the population mean is153. The value 3 in this expression is the estimate's standard error.

Group of answer choices

True

False

Flag question: Question 25

A confidence interval for the population mean is153. The value 3 in this expression is the estimate's margin of error.

Group of answer choices

True

False

Flag question: Question 26

Populations with high variability will produce estimates with large margins of error (all other things being equal).

Group of answer choices

True

False

Flag question: Question 27

Studies with small sample sizes will tend to have large margins of error.

Group of answer choices

True

False

Flag question: Question 28

In a sample of size 100, the proportion of successes in the sample is 0.45. If this sample is used to test the hypothesisH0p=0.5vsHAp0.5with an alpha-level of 0.05, the z-statistic is

Group of answer choices

-2

-1

-1.96

Flag question: Question 29

In a sample of size 100, the proportion of successes in the sample is 0.45. If this sample is used to test the hypothesisH0p=0.5vsHAp0.5with an alpha-level of 0.05, the null hypothesis is

Group of answer choices

rejected

retained

Can not be determined

Flag question: Question 30

In a sample of size 400, the proportion of successes in the sample is 0.45. If this sample is used to test the hypothesisH0p=0.5vsHAp0.5with an alpha-level of 0.05, the null hypothesis is

Group of answer choices

rejected

retained

Can not be determined