Both a and b are correct.Which of the following is needed before a confidence interval can be established for a population mean?
a. A confidence level
b. A point estimate of the population mean
c. An estimate of the sampling error associated with the sample mean
d. All of these are correct.
e. Both a and b are correct.
Question 2
Existing social networks are:
a. exclusively for consumers.
b. used by both consumers and business people.
c. experiencing slowing growth.
d. used mostly by nonmobile users.
This modified model of Easton’s systems theory puts government decision makers as the source of pol
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Is my concept map correct? (Grade 12 Bio)