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As the head of a social services agency, you believe your staff of 20 social workers is very much overworked compared to 10 years ago. The caseloads for each worker are reported for each of the two years in question. Has the average caseload increased? What measure of central tendency is most appropriate to answer this question? Why?
An online site presented this question, "Would the recent norovirus outbreak deter you from taking a cruise?" Among the 34, 123 people who responded, 63% answered "yes." Use the sample data to construct a 95% confidence interval estimate for the p..
2800 people were surveyed about their recent purchases. 715 of those people surveyed bought a television within the last year, 461 bought a video game system within the last year, and 292 bought both.
Review this week's Learning Resources and media program related to multiple regression. Using the SPSS software, open the Afrobarometer dataset or the High School Longitudinal Study dataset (whichever you choose) found in the Learning Resources for..
a blackjack consists of two cards one of which is an ace and the other of which is a 10-point card either a 10 jack
If there is an outage, there is a .05 probability that the resulting losses will be very large, approximately $ 80 million in lost earnings. Also, it is estimated that there is a .95 probability of only slight losses of around $ 1 million. What is..
The marketing department likes to know patterns about the consumers who call the 1-800 phone bank with questions/problems.
If 5 officers are randomly selected for service during the speech, what is the probability that exactly 2 of them will have had advanced training in crowd control?
questionnew horizons airlines wants to forecast the mean number of unoccupied seats per flight to germany next
Conduct an analysis of variance test to show that there is evidence of an overall difference in population mean saturated fat per serving. Use a = 0.01.
Kids and toys In an experiment on the behavior of young children, each subject is placed in an area with five toys. Past experiments have shown.
What is the purpose of sampling? What are some concerns and dangers of sampling? How important is the sample design to data validity? Explain.
Use Excel or SASto perform the one-way analysis of variance (ANOVA) for the data. APA format is required, and solid academic writing is expected
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