Question

In: Statistics and Probability

53. A simple random sample experiment is repeated four times choosing the same sample size each...

53. A simple random sample experiment is repeated four times choosing the same sample size each time. Which of the following statements can be made about the different outcomes?

A) The samples will usually be different from one another.

B) The samples will always be the same.

C) Measurements calculated from the samples will always be different.

D) The samples will always be different from one another.

E) Measurements calculated from the samples will always be the same.

Solutions

Expert Solution


Related Solutions

How to draw a simple random sample of size 9 and a systematic sample of size...
How to draw a simple random sample of size 9 and a systematic sample of size 9 from 45 samples size. can you explain the steps for each selected sample for me . thanks
Suppose a random sample of size 53 is selected from a population with σ = 9....
Suppose a random sample of size 53 is selected from a population with σ = 9. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite (to 2 decimals). b. The population size is N = 50,000 (to 2 decimals). c. The population size is N = 5000 (to 2 decimals). d. The population size is N = 500 (to...
The number of successes and the sample size are given for a simple random sample from...
The number of successes and the sample size are given for a simple random sample from a population. Use the one-proportion z-interval procedure to find the required confidence interval. n = 76, x = 31; 98% level 0.298 to 0.518 0.276 to 0.540 0.297 to 0.519 0.277 to 0.539 Use the one-proportion z-interval procedure to find the required confidence interval. A researcher wishes to estimate the proportion of adults in the city of Darby who are vegetarian. In a random...
A simple random sample of size n is drawn. The sample​ mean is found to be...
A simple random sample of size n is drawn. The sample​ mean is found to be 17.6​, and the sample standard​ deviation, s, is found to be 4.7. A). Construct a 95​% confidence interval about if the sample​ size, n, is 51.
A simple random sample of size n is drawn. The sample​ mean is found to be...
A simple random sample of size n is drawn. The sample​ mean is found to be 17.6​, and the sample standard​ deviation, s, is found to be 4.7. Construct a 99​% confidence interval about if the sample​ size, n, is 34.
A simple random sample of 12 reaction times of helicopter pilots is selected. The reaction times...
A simple random sample of 12 reaction times of helicopter pilots is selected. The reaction times have a normal distribution. The sample mean is 1.67 sec with a standard deviation of 0.16 sec. Construct a 90% confidence interval for the population standard deviation. 1. 0.11 < σ < 0.23 2. 0.01 < σ < 0.05 3. 0.12 < σ < 0.25 4. 0.13 < σ < 0.22
A simple random sample has a sample size of n = 65. Given the population is...
A simple random sample has a sample size of n = 65. Given the population is normally distributed, find the critical value ta/2 corresponding to a 99% confidence level. a) 2.678 b) 2.575 c) 2.000 d) 2.660
A simple random sample of size n is drawn. The sample​ mean, x​, is found to...
A simple random sample of size n is drawn. The sample​ mean, x​, is found to be 18.5, and the sample standard​ deviation, s, is found to be 4.6. ​(a) Construct a 95​% confidence interval about μ if the sample​ size, n, is 34. Lower​ bound: ___ Upper​ bound: ___ ​(Use ascending order. Round to two decimal places as​ needed.) ​(b) Construct a 95% confidence interval about μ if the sample​ size, n, is 61. Lower​ bound: ___ Upper​ bound:...
A simple random sample of size n is drawn. The sample mean, x, is found to...
A simple random sample of size n is drawn. The sample mean, x, is found to be 35.1, and the sample standard deviation, s, is found to be 8.7 a) Construct a 90% confidence interval for μ if the sample size, n, is 100. b) Construct a 90% confidence interval for μ if the sample size, n, is 40. How does decreasing the sample size affect the margin of error, E? c) Construct a 96% confidence interval for μ if...
  A good sample should always be a simple random sample be at least 30 in size...
  A good sample should always be a simple random sample be at least 30 in size to accurately apply statistical methods be representational of the population have univariate data only all of the above
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT