Questions from Statistics Principles

Q: The of the sample mean, /, is the probability distribution of

The of the sample mean, /, is the probability distribution of all possible values of the random variable / computed from a sample of size n from a population with mean  and standard deviation 

Q: Suppose a simple random sample of size is drawn from a large

Suppose a simple random sample of size is drawn from a large population with mean  and standard deviation . The sampling distribution of / and standard deviation /

Q: The standard deviation of the sampling distribution of / is called the

The standard deviation of the sampling distribution of / is called the ____ ____of the____.

Q: True or False: The distribution of the sample mean, /,

True or False: The distribution of the sample mean, /, will be approximately normally distributed if the sample is obtained from a population that is normally distributed, regardless of the sample siz...

Q: True or False: The population proportion and sample proportion always have

True or False: The population proportion and sample proportion always have the same value.

Q: The Future Government Club wants to sponsor a panel discussion on the

The Future Government Club wants to sponsor a panel discussion on the upcoming national election. The club wants to have four of its members lead the panel discussion. To be fair, however, the panel s...

Q: True or False: The mean of the sampling distribution of /

True or False: The mean of the sampling distribution of / is p.

Q: Describe the circumstances under which the shape of the sampling distribution of

Describe the circumstances under which the shape of the sampling distribution of / is approximately normal.

Q: What happens to the standard deviation of / as the sample size

What happens to the standard deviation of / as the sample size increases? If the sample size is increased by a factor of 4, what happens to the standard deviation of /?

Q: n = 500, p = 0.4

n = 500, p = 0.4