BESC 3010 - TEST 2 2025 QUESTIONS
AND ANSWERS
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
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
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, 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.
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
AND ANSWERS
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
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
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, 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.
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
