Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Statistics and Probability Expert

Here are some questions about sampling distributions in comparison to the parent populations from which samples are selected:

a. Describe the difference between the distribution of the observed sample values from a population and the distribution of means calculated from samples of size n.

b. What is the difference between the population standard deviation and the standard error of the mean?

c. When would you use the standard error of the mean?

d. When would you use the population standard deviation?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M91623756

Have any Question?


Related Questions in Statistics and Probability

A lot contains 15 items and 6 are defective if two items

A lot contains 15 items and 6 are defective. If two items are drawn at random from the lot, without replacement, what is the probability there is exactly one non-defective? (Hint: You have to use both Multiplication and ...

Lt x be a normally distributed random variable with mu

Let X be a normally distributed random variable with μ = 100 and σ = 10. Find the probability that X is between 80 and 105. (Round your answer to the nearest whole number percent and include the percent symbol.)

Let x be a random variable with range rx -1 0 1 and let px

Let X be a random variable with range RX = {-1, 0, 1} and let P(X = 1) = P(X = -1) = p/2 for some p ∈ [0, 1]. a) Compute P(X = 0). b) Compute the expectation E[X] and variance Var(X) of X as a function of p, and determin ...

A customer service phone line claims that the wait times

A customer service phone line claims that the wait times before a call is answered by a service representative is less than 3.3 minutes. In a random sample of 62 calls, the average wait time before a representative answe ...

What is the sample size for studies with moe of -35 and -28

What is the sample size for studies with MOE of +/-3.5% and +/-2.8%, with a confidence level of 95%, sample statistics of 50. Suppose the category population was 7500 (less than 10,000)? Remember the FPC. What would be t ...

A test of the null A test of the null hypothesis  H 0 :  μ  =  μ 0  gives test statistic 

A test of the null hypothesis  H 0 :  μ  =  μ 0  gives test statistic  z  = -0.58  (Round your answers to four decimal places.) a) What is the  P -value if the alternative is  H a :  μ  >  μ 0 ? b) What is the  P -value ...

At litchfield college of nursing 85 of incoming freshmen

At Litchfield College of Nursing, 85% of incoming freshmen nursing students are female and 15% are male. Recent records indicate that 70% of the entering female students will graduate with a BSN degree, while 80% of the ...

Anystate auto insurance company took a random sample

Anystate Auto Insurance Company took a random sample of 388 insurance claims paid out during a 1-year period. The average claim paid was $1575. Assume  σ  = $240. Find a 0.90 confidence interval for the mean claim paymen ...

How does a histogram help us know the probability of

How does a histogram help us know the probability of getting a certain value for a variable? In other words how does the histogram relate to probability?

Assume that 50 percent of the students at the university

Assume that 50 percent of the students at the university have taken 4 years of high school math. Of those with four years of high school math, 80 percent plan to major in science. Of those without 4 years, only 20 percen ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As