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The National Center for Health Statistics recently released a report that stated 70% of adults do not exercise regularly. A researcher decided to test whether the results on a state-by-state basis differed from the 70% reported by the National Center for Health Statistics at the 5% significance level. The researcher took a sample of 350 adults in Wisconsin and found that 252 of the 350 indicated that they didn't exercise regularly.
A. State the null and alternate hypotheses.
B. Identify the test statistic
C. State the decision rule.
D. Show the appropriate calculations and state the statistical decision.
E. What conclusions can you draw concerning the exercise rate of the people surveyed in Wisconsin?
A survey was conducted among the residents of Pune City, its suburbs and the Pune Cantonment area. The following three pie diagrams show their respective preferences for living in
Following is the trend equation for a time series data on a monthly basis for years 2007 to 2009: Y=2.375+0.895X. Find Y for 2nd quarter of 2010.
Federal income tax Another part of paycheck accounting involves the staff's got earnings tax. A company is necessary to hold the got earnings tax that and personnel are expecte
A small specialized workshop is used to perform periodic check-up on some high-tech devices. The check up is made in three stages whose durations are independent random variables w
Hi there, I am designing a research study for my undergrad in Online Relationship. I am having some trouble with my professor accepting my proposed research model and survey questi
discuss the nature and causes of the components of an economic time series?
What are the assumptions of the technique?
1. (a) 'Statistics is the backbone of decision-making'. Describe. (b) 'Statistics is as good as the user'. Describe. 2. Differentiate between the following with example.
I have 8 problems that I need help with. I will need to upload the files. Thanks
Advantages of sampling over population
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