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STA 2381 EXAMS BUNDLE | Questions with Correct Verified Answers
STA 2381 EXAMS BUNDLE | Questions with Correct Verified Answers
[Show more]STA 2381 EXAMS BUNDLE | Questions with Correct Verified Answers
[Show more]Descriptive statistics 
a. Utilizes sample date to make estimates 
b. Is a statement about the degree of uncertainty associated with statistical 
inference 
c. Summarizes and describes important features of the data 
d. Is a measurement that cannot be measured on a natural numerical scale - 
ANSWER ...
Preview 2 out of 10 pages
Add to cartDescriptive statistics 
a. Utilizes sample date to make estimates 
b. Is a statement about the degree of uncertainty associated with statistical 
inference 
c. Summarizes and describes important features of the data 
d. Is a measurement that cannot be measured on a natural numerical scale - 
ANSWER ...
T/F: Every estimator has a sampling distribution that is identical to the distribution of the 
population of interest - ANSWER False 
T/F: Chebychev's Theorem is used to help understand the concept of a standard deviation and 
applies to any random variable - ANSWER True 
T/F: The empirical rule is...
Preview 4 out of 35 pages
Add to cartT/F: Every estimator has a sampling distribution that is identical to the distribution of the 
population of interest - ANSWER False 
T/F: Chebychev's Theorem is used to help understand the concept of a standard deviation and 
applies to any random variable - ANSWER True 
T/F: The empirical rule is...
Descriptive Statistics v Inferential Statistics - ANSWER Descriptive statistics describes sets of 
data. Inferential statistics draws conclusions about the sets of data based on sampling. 
Population v Variable - ANSWER A population is a set of units of interest to a study. A variable is 
a characte...
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Add to cartDescriptive Statistics v Inferential Statistics - ANSWER Descriptive statistics describes sets of 
data. Inferential statistics draws conclusions about the sets of data based on sampling. 
Population v Variable - ANSWER A population is a set of units of interest to a study. A variable is 
a characte...
T/F: Every estimator has a sampling distribution that is identical to the distribution of the 
population of interest - ANSWER False 
T/F: Chebychev's Theorem is used to help understand the concept of a standard deviation and 
applies to any random variable - ANSWER True 
T/F: The empirical rule is...
Preview 2 out of 12 pages
Add to cartT/F: Every estimator has a sampling distribution that is identical to the distribution of the 
population of interest - ANSWER False 
T/F: Chebychev's Theorem is used to help understand the concept of a standard deviation and 
applies to any random variable - ANSWER True 
T/F: The empirical rule is...
T/F) The probability distribution of all the possible sample meas composed from samples of 
size n is known as the sampling distribution of the sample mean - ANSWER True 
(T/F) The standard error of the sample mean is another term for the standard deviation of the 
sample mean - ANSWER True 
(T/F) W...
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Add to cartT/F) The probability distribution of all the possible sample meas composed from samples of 
size n is known as the sampling distribution of the sample mean - ANSWER True 
(T/F) The standard error of the sample mean is another term for the standard deviation of the 
sample mean - ANSWER True 
(T/F) W...
A _____ is a function of the population data. - ANSWER statistic 
Estimators are _____ variables. - ANSWER random 
_____ describe a population of interest, while _____ describe a sample. - ANSWER parameters; 
statistics 
What is the estimated value of x̄? - ANSWER μ (mu) 
_____ is the population s...
Preview 2 out of 6 pages
Add to cartA _____ is a function of the population data. - ANSWER statistic 
Estimators are _____ variables. - ANSWER random 
_____ describe a population of interest, while _____ describe a sample. - ANSWER parameters; 
statistics 
What is the estimated value of x̄? - ANSWER μ (mu) 
_____ is the population s...
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