18. What is the value for the SE Mean in the table below? Descriptive Statistics

Question

18. What is the value for the SE Mean in the table below? Descriptive Statistics Variable n Mean SE Mean StDev Data 5 22.496 0.378 A. 0.0756 B. 0.1690 C. 4.4992 D. 10.060:5 19. The Central Limit Theorem states that when a large random sample is selected from a population, A. the sample mean approaches the population mean B. the sample mean X is approximately normally distributed. C. the population distribution (X distribution) is approximately normally D. the sample standard deviation S is approximately normally distributed. 20. In a test of Ho: ? 10 versus Hai ?

Explanation / Answer

18)SE Mean =std deviaiton/(n)1/2 =0.378/(5)1/2 =0.169

option b

19)

option C is correct

20)

here expected number =np=100*0.04 =4

option B

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