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BESC 3010 - TEST 2 Questions with
Detailed Verified Answers
Question: one reason that researchers nearly always gather data from
samples of participants instead of entire populations is because....
Answer: It can be impractical or even impossible to study populations
Question:
If a test has a population mean of 70 and standard deviation of 6, then what is
the z-score for a sample of n = 9 with a mean of 76?
Answer: 3
Question:
The central limit theorem says that when all possible samples of a sufficient
size are taken from a population and their means are charted, the distribution
of means will be...
Answer: Normally distributed
Question:
The distribution of all possible samples of a given size (e.g., n=54 or n=117) are
taken from a population and their means are charted, that distribution is
known as...
Answer: The sampling distribution of means
Question:
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If a distribution of raw scores has a strong negative skew, then, given
sufficiently large n, the sampling distribution of means for that distribution
will....
Answer: Be normal
Question:
The standard error is....
Answer: The standard deviation of the sampling distribution
Question:
The distribution of all possible sample means (of a given size) is called...
Answer: The sampling distribution of means
Question:
If a distribution has a mean of 100 and a standard deviation of 15, then what is
the standard error for a sample of 225 scores?
Answer: 1
Question:
If a distribution has a mean of 30 and a standard deviation of 3, then what is
the z-score for a sample of 4 scores with a mean of 27?
Answer: -2
Question:
The Central Limit Theorem states that the shape of a sampling distribution
becomes closer to what shape as the number of sample means in the
distribution increases?
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Answer: Normal
Question:
If the population mean for a distribution is 150 and the standard deviation is
20, then what is the z-score for a sample of 100 people with an average score
of 153?
Answer: 1.5
Question:
If a person were to create a sampling distribution for sample standard
deviations, then the mean of that distribution would be equal to...
Answer: The standard deviation of the original distribution.
Question:
If a population has a mean of 40 and a standard deviation of 8, what would the
z-score be for a sample of 16 people with a mean of 46?
Answer: 3
Question:
A sampling distribution can be calculated for...
Answer: Any sample statistic
Question:
What is the standard error of a distribution if σ= 20 and n = 25?
Answer: 4
Question:
BESC 3010 - TEST 2 Questions with
Detailed Verified Answers
Question: one reason that researchers nearly always gather data from
samples of participants instead of entire populations is because....
Answer: It can be impractical or even impossible to study populations
Question:
If a test has a population mean of 70 and standard deviation of 6, then what is
the z-score for a sample of n = 9 with a mean of 76?
Answer: 3
Question:
The central limit theorem says that when all possible samples of a sufficient
size are taken from a population and their means are charted, the distribution
of means will be...
Answer: Normally distributed
Question:
The distribution of all possible samples of a given size (e.g., n=54 or n=117) are
taken from a population and their means are charted, that distribution is
known as...
Answer: The sampling distribution of means
Question:
, Page | 2
If a distribution of raw scores has a strong negative skew, then, given
sufficiently large n, the sampling distribution of means for that distribution
will....
Answer: Be normal
Question:
The standard error is....
Answer: The standard deviation of the sampling distribution
Question:
The distribution of all possible sample means (of a given size) is called...
Answer: The sampling distribution of means
Question:
If a distribution has a mean of 100 and a standard deviation of 15, then what is
the standard error for a sample of 225 scores?
Answer: 1
Question:
If a distribution has a mean of 30 and a standard deviation of 3, then what is
the z-score for a sample of 4 scores with a mean of 27?
Answer: -2
Question:
The Central Limit Theorem states that the shape of a sampling distribution
becomes closer to what shape as the number of sample means in the
distribution increases?
, Page | 3
Answer: Normal
Question:
If the population mean for a distribution is 150 and the standard deviation is
20, then what is the z-score for a sample of 100 people with an average score
of 153?
Answer: 1.5
Question:
If a person were to create a sampling distribution for sample standard
deviations, then the mean of that distribution would be equal to...
Answer: The standard deviation of the original distribution.
Question:
If a population has a mean of 40 and a standard deviation of 8, what would the
z-score be for a sample of 16 people with a mean of 46?
Answer: 3
Question:
A sampling distribution can be calculated for...
Answer: Any sample statistic
Question:
What is the standard error of a distribution if σ= 20 and n = 25?
Answer: 4
Question:
