BESC FULL QUESTIONS AND CORRECT
ANSWERS VERIFIED CERTIFICATION
STUDY PACK
●● 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
●● 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
●● 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
●● 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
,●● The standard error is....
Answer: The standard deviation of the sampling distribution
●● The distribution of all possible sample means (of a given size) is
called...
Answer: The sampling distribution of means
●● 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
●● 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
●● 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?
Answer: Normal
●● 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
, ●● 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.
●● 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
●● A sampling distribution can be calculated for...
Answer: Any sample statistic
●● What is the standard error of a distribution if σ= 20 and n = 25?
Answer: 4
●● If a population has a mean of 60 and a standard deviation of 15, what
is the z-score for a sample of 9 people with an average of 55?
Answer: -1
●● As the size of samples (n) in a sampling distribution increases, the
shape of that distribution becomes more...
Answer: Normal
ANSWERS VERIFIED CERTIFICATION
STUDY PACK
●● 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
●● 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
●● 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
●● 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
,●● The standard error is....
Answer: The standard deviation of the sampling distribution
●● The distribution of all possible sample means (of a given size) is
called...
Answer: The sampling distribution of means
●● 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
●● 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
●● 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?
Answer: Normal
●● 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
, ●● 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.
●● 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
●● A sampling distribution can be calculated for...
Answer: Any sample statistic
●● What is the standard error of a distribution if σ= 20 and n = 25?
Answer: 4
●● If a population has a mean of 60 and a standard deviation of 15, what
is the z-score for a sample of 9 people with an average of 55?
Answer: -1
●● As the size of samples (n) in a sampling distribution increases, the
shape of that distribution becomes more...
Answer: Normal
