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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?
PART 1 Shown below are the sales revenue and advertising cost data for seven companies published by International Advertising Age. COMPANY ADVERTISING ($ MILLIONS) SALES ($ BILLION
Budgetary accounts Accounts used to go through the adopted budget into the all-purpose ledger as part of the administration control method of formal budgetary addition.
Textbook The basic practice of statistics, 5th Edition by David S. Moore; Freeman EX:14.37, 14.38, 14.39, 17.5, 17.28a
A study done at the University of Maryland (cited in Weiss, Introductory Statistics, 7th ed, 2005) measured the body temperatures of 93 healthy humans. On the frequency- histogram
Soddy and Rutherford, from their experimental study regarding the radioactive disintegration formulated the following laws, known as laws of radioactive disintegration. 1. Radioac
which scale of measurement is used for Class size
#question.differentiate between historigram and histogram.
Absorption distributions Probability distributions which represent the number of 'individuals' (such as particles) which fail to cross the speci?ed area containing the hazards o
1) A certain brand of batteries has a lifetime that has a normal distribution with a mean of 3,800 hours and a standard deviation of 390 hours. b) What lifetime should the manufac
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