It gives a range of values within which the parameter value possibly falls. Interval Sampling O b. Range Estimation Oc. Confidence Interval Od. Point Estimate
It gives a range of values within which the parameter value possibly falls. Interval Sampling O b. Range Estimation Oc. Confidence Interval Od. Point Estimate
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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![It gives a range of values within which the parameter value possibly falls.
Interval Sampling
O b. Range Estimation
O c. Confidence Interval
Od.
Point Estimate
The shape of the T-distribution curve is wider than the normal curve because
it has higher variance
Ob.
the mean is also located at the end of the curve
Oc.
it has more sample size
the curve is represented by degrees of freedom
T-distribution is used when
O a.
the sample standard deviation is given and the population size is less than 30
Ob.
the population standard deviation is unknown and the sample size is greater than 30
the sample size is greater than 30 and the population variance is known
the population standard variance is unknown and the sample size is less than 30](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F816c7d8f-a934-4292-9851-9ef73d34e210%2Ff6a71de9-2c2d-4ead-a25d-08b069165dc9%2F8qcb2lt_processed.jpeg&w=3840&q=75)
Transcribed Image Text:It gives a range of values within which the parameter value possibly falls.
Interval Sampling
O b. Range Estimation
O c. Confidence Interval
Od.
Point Estimate
The shape of the T-distribution curve is wider than the normal curve because
it has higher variance
Ob.
the mean is also located at the end of the curve
Oc.
it has more sample size
the curve is represented by degrees of freedom
T-distribution is used when
O a.
the sample standard deviation is given and the population size is less than 30
Ob.
the population standard deviation is unknown and the sample size is greater than 30
the sample size is greater than 30 and the population variance is known
the population standard variance is unknown and the sample size is less than 30
![Which of the following statements is TRUE?
The larger the size of the sample, the greater is the length of the confidence interval.
Ob.
The smaller the confidence level, the greater is the length of the confidence interval.
The larger the size of the sample, the lesser is the length of the confidence interval.
Od.
The larger the confidence level, the lesser is the length of the confidence interval.
Z-distribution is used when
the population standard deviation is unknown and the samplle size is greater than 30
Ob.
the population standard variance is unknown and the sample size is less than 30
Oc.
the sample standard deviation is given and the population size is less than 30
Od.
the sample size is greater than 30 and the population variance is known
This refers to the degree of certainty that the true population parameter falls within the constructed interval
estimate.
Degrees of certainty
Ob.
Confidence interval
O c. Degrees of freedom
Od.
Confidence level](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F816c7d8f-a934-4292-9851-9ef73d34e210%2Ff6a71de9-2c2d-4ead-a25d-08b069165dc9%2Foej28wq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Which of the following statements is TRUE?
The larger the size of the sample, the greater is the length of the confidence interval.
Ob.
The smaller the confidence level, the greater is the length of the confidence interval.
The larger the size of the sample, the lesser is the length of the confidence interval.
Od.
The larger the confidence level, the lesser is the length of the confidence interval.
Z-distribution is used when
the population standard deviation is unknown and the samplle size is greater than 30
Ob.
the population standard variance is unknown and the sample size is less than 30
Oc.
the sample standard deviation is given and the population size is less than 30
Od.
the sample size is greater than 30 and the population variance is known
This refers to the degree of certainty that the true population parameter falls within the constructed interval
estimate.
Degrees of certainty
Ob.
Confidence interval
O c. Degrees of freedom
Od.
Confidence level
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