An educational organization in California is interested in estimating the mean number of minutes per day that children between the age of 6 and 18 spend watching television per day
A previous study showed that the population standard deviation was 21.5 minutes. The organization selected a random sample of n = 200 children between the ages of 6 and 18 and recorded the number of minutes of TV that each person watched on a particular day. The mean time was 191.3 minutes. If the leaders of the organization wish to develop an interval estimate with 98 percent confidence, what critical value should be used?A) z = 1.645
B) t = 2.38
C) Approximately z = 2.33
D) Can't be determined without knowing the margin of error.
C
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Because of the exacting nature of job evaluation methodology, it is generally possible for an organization to adopt another organization's job evaluation program with very little, if any, modification needed
Indicate whether the statement is true or false.
After the introductory and informational questions, suspects will be presented with
A) additional informational questions. B) admission seeking questions. C) assessment questions. D) concluding questions.