as we know from sampling distribution of mean:
μx =μ =17 and
std error=σx̅=σ/√n= | 2.20 |
-100. Round your answers A population has meanu - 17 and standard deviation o=22. Find --...
and o A population has mean u =9 and standard deviation o = 3. Find for samples of size n 25. Round your answers to one decimal place if needed.
A population has meanu - 15 and standard deviation - 4. Round the answers to two decimal places as needed. ole Part: 0/3 Part 1 of 3 (a) Find the 2-score for a population value of 3. The 2-score for a population value of 3 is II
A population has mean μ=25 and standard deviation σ=6. Find μx and σx for samples of size n=25. Round your answers to one decimal place if needed.
(1) A population has mean u = 6 and standard deviation o = 4. Find My and for samples of size n = 25. (2) A population has mean y = 17 and standard deviation o = 20. Find My and Og for samples of size n= 90. (3) A population has mean u = 193 and standard deviation o = 42. Find My and oz for samples of size n = 64 (4) A sample of size n =...
5.4.1 Question Help A population has a mean = 141 and a standard deviation o = 28. Find the mean and standard deviation of the sampling distribution of sample means with sample size n = 40. The mean is :-), and the standard deviation is 0;=0 (Round to three decimal places as needed.) 5.4.2 Question Help A population has a meanu - 74 and a standard deviation = 8. Find the mean and standard deviation of a sampling distribution of...
A population has a standard deviation σ of 17.9 units. (Give your answers correct to two decimal places.) (a) What is the standard error of the mean if samples of size 11 are selected? (b) What is the standard error of the mean if samples of size 22 are selected? (c) What is the standard error of the mean if samples of size 52 are selected? (d) What is the standard error of the mean if samples of size 102...
A population has mean ? = 24 and standard deviation ? = 6. Round the answers to two decimal places as needed. Part 1 out of 3 Find the z-score for a population value of 4. The z-score for a population value of 4 is
A population has mean u = 26 and standard deviation o = 5. Round the answers to two decimal places as needed. Part 1 of 3 (a) Find the Z-score for a population value of 7. The Z-score for a population value of 7 is Correct Answer: The Z-score for a population value of 7 is -3.8. (c) What number has a z-score of -0.9? has a z-score of -0.9.
Question 13 1 pts A normal population has a meanu = 31 and standard deviation o8. What proportion of the population is less than 29? 1.0000 O 0.7517 O 0.5987 O 0.4013
Find the sample variance and the standard deviation for the following sample. Round the answers to at least two decimal places as needed. 18 32 22 17 11 Send data to Excel The sample variance is The sample standard deviation is