1) IF the sampled population has a mean 48 and standard deviation 16, then the mean and the standard deviation for the sampling distribution of x-bar for n=16 are:

2) Consider two population distributions labeled A and B. Distribution A is highly skewed and non-normal, while the distribution B is slightly skewed and near normal. In order for the sampling distributions of A and B to achieve the same degree of normality:

Choices:

Population A will require a larger sample size

Population B will require a larger sample size

Population A and B will require the same sample size.

3) A manufacturing company measures the weight of boxes before shipping them to the customers. If the box weights have a population mean and standard deviation of 90 lbs and 24 lbs respectively, then based on a sample size of 36 boxes, the probability that the average weight of the boxes will exceed 94 lbs. is:

Choices

34.13%

84.13%

15.87%

56.36%

16.87%

4) The population of all sample proportions has a normal distribution if the sample size is sufficiently large. The rule of thumb for ensuring that is sufficiently large is:

Np>5

N(1-p)>5

Bo5

N(1-p).5 and np5

Np>/5 and n(1-P)>/5

5) The t distribution approaches the ______ as the sample size ________.

Choices:

Binomial, increases

Binomial, decreases

Z, decreases

Z, increases

Bus stats homework 6

IF the sampled population has a mean 48 and standard deviation 16, then

the mean and the standard deviation for the sampling distribution of

x-bar for n=16 are:

Consider two population distributions labeled A and B. Distribution A is

highly skewed and non-normal, while the distribution B is slightly

skewed and near normal. In order for the sampling distributions of A and

B to achieve the same degree of normality:

Choices:

Population A will require a larger sample size

Population B will require a larger sample size

Population A and B will require the same sample size.

A manufacturing company measures the weight of boxes before shipping

them to the customers. If the box weights have a population mean and

standard deviation of 90 lbs and 24 lbs respectively, then based on a

sample size of 36 boxes, the probability that the average weight of the

boxes will exceed 94 lbs. is:

Choices

34.13%

84.13%

15.87%

56.36%

16.87%

The population of all sample proportions has a normal distribution if

the sample size is sufficiently large. The rule of thumb for ensuring

that is sufficiently large is:

Np>5

N(1-p)>5

Bo5

N(1-p).5 and np5

Np>/5 and n(1-P)>/5

The t distribution approaches the ______ as the sample size ________.

Choices:

Binomial, increases

Binomial, decreases

Z, decreases

Z, increases

2) Consider two population distributions labeled A and B. Distribution A is highly skewed and non-normal, while the distribution B is slightly skewed and near normal. In order for the sampling distributions of A and B to achieve the same degree of normality:

Choices:

Population A will require a larger sample size

Population B will require a larger sample size

Population A and B will require the same sample size.

3) A manufacturing company measures the weight of boxes before shipping them to the customers. If the box weights have a population mean and standard deviation of 90 lbs and 24 lbs respectively, then based on a sample size of 36 boxes, the probability that the average weight of the boxes will exceed 94 lbs. is:

Choices

34.13%

84.13%

15.87%

56.36%

16.87%

4) The population of all sample proportions has a normal distribution if the sample size is sufficiently large. The rule of thumb for ensuring that is sufficiently large is:

Np>5

N(1-p)>5

Bo5

N(1-p).5 and np5

Np>/5 and n(1-P)>/5

5) The t distribution approaches the ______ as the sample size ________.

Choices:

Binomial, increases

Binomial, decreases

Z, decreases

Z, increases

Bus stats homework 6

IF the sampled population has a mean 48 and standard deviation 16, then

the mean and the standard deviation for the sampling distribution of

x-bar for n=16 are:

Consider two population distributions labeled A and B. Distribution A is

highly skewed and non-normal, while the distribution B is slightly

skewed and near normal. In order for the sampling distributions of A and

B to achieve the same degree of normality:

Choices:

Population A will require a larger sample size

Population B will require a larger sample size

Population A and B will require the same sample size.

A manufacturing company measures the weight of boxes before shipping

them to the customers. If the box weights have a population mean and

standard deviation of 90 lbs and 24 lbs respectively, then based on a

sample size of 36 boxes, the probability that the average weight of the

boxes will exceed 94 lbs. is:

Choices

34.13%

84.13%

15.87%

56.36%

16.87%

The population of all sample proportions has a normal distribution if

the sample size is sufficiently large. The rule of thumb for ensuring

that is sufficiently large is:

Np>5

N(1-p)>5

Bo5

N(1-p).5 and np5

Np>/5 and n(1-P)>/5

The t distribution approaches the ______ as the sample size ________.

Choices:

Binomial, increases

Binomial, decreases

Z, decreases

Z, increases

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