16. 17. 18. answer questions 16 - 18 Find the value of q A. 0.2 B. C. D. 0.8 Determine the variance. A. B. C. D. 20 Find the value of o ABCD A. B. C. 0.125 0.16 D. 2.56 3.3 12.8 4.5 3.6 1.8 1.6
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- What is the difference between Micro and M? a. Micro (u) is the variance and M is the mean b. Micro (u) i sthe median and M is the mean c.Micro (u) is the mean of the sample and M is the mean of the population d. Micro (u) is the mean of the population and M is the mean of the sample7.1.1 A population has a mean of 121. If a random sample of 8 items from the population results in the following sampled values, what is the sampling error for the sample? 141 108 94 112 143 108 129 95 D The sampling error for the given sample is (Simplify your answer. Do not round.) Enter your answer in the answer box and then click Check Answer. All parts showing Clear All MacBook Air esc F2 F3 DA DII DD F7 FB F9 @ %23 2$ % 2 4 6. 7 8. cab Q W R T Y Cock А S D F C V M trol option command ニ エ * LO リDirection: Solve the given problems completely and correctly. 1. A population consists of the three numbers 1, 2, and 4. List all the possible samples of size n =2 whicE can be drawn with replacement from the population. Find the following: a Population mean b. Population variance C. Population standard deviation. d. Mean of the sampling distribution of sample means e. Variance of the sampling distribution of sample means f Standard deviation of the sampling distribution of sample means
- Assume a variable has only 3 observations: x1=1, x2=5, x3=6. What is the variance of this variable x? 8.6 None of others. 4.7 2.9Find the mean, median, mode (if applicable), range, and standard deviation. Round to 2 places when possible Problem 1 500 502 498 369 510 500 457 a mond dw to sorimun Problem 2 12 9 11 15 24 30 14 10 Problem 3 it om olT o bu b bba toil anh 3.5 4.1 6.3 2.9 3 2.5 3.7 4. did dim d ablodond lo lm1. The number of data values is? 2. The population mean of the house age data is? 3. The deviation from the mean is? 4. The population variance of the house age data is? 5. The population standard deviation of the house age data is? 6. The population mean of the square feet data is? 7. The deviation from the mean is? 8. The population variance of the square feet data is? 9. The population standard deviation of the square feet data is? 10. The population mean of the market value data is? 11. The deviation from the mean is $? 12. The population variance of the market value data is $? 13. The population standard deviation of the market value data is $?
- Which of the ff. statements are true I. A small t-score value indicates that the groups are similar. II. If tcalc is greater than tab , then the difference is significant. III. A p-value of 0.05 means there is 95% probability that the results happened by chance. IV. Independent sample t-test is used to compared means of two groups. O l and IV O I and III Il and IV O Il and IIIand if the scores A set of 10 scores has SS= 90. If the scores are a sample, the sample variance is are a population, the population variance is O 2 - 10: ? = 10Said that trey watched the hornd (0 EO a SurNEN SE G00 adults 240 Cup final cn T.V. USing trese e Statistics, of error, E, Con fidlence loterval for the popation Caiculate Sample the margin for a 90% Of Gll Stu deots that watched the Warld cup final co t.v.