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Question: Ontario Health Survey The Ministry of Health in the province of Ontario, Canada, wants to know whether the national health care system is achieving its goals in the province. Much information about health care comes from patient records, but that source doesn't allow us to compare people who use health services with those who don't. So the Ministry of Health conducted the Ontario Health Survey, which interviewed a random sample of 61,239 people who live in the province of Ontario.60
(a) What is the population for this sample survey? What is the sample?
(b) The survey found that 76% of males and 86% of females in the sample had visited a general practitioner at least once in the past year. If a census were conducted, do you think that the percentages would be the same as in the sample? Explain.
The mean is 15.8 tons. the sample standard deviation is 5.0 tons. what is the 95 percent interval for the population mean?
marty rowatti recently assumed the position of director of the ymca of south jersey. he would like some current data on
Reconsider the Kentucky Derby winning times and speeds from Exercise 9.20. Test whether there is any effect of the categorical factor "Track" (with seven categories) on winning speed, after accounting for year. The full model will have Year and th..
a random sample of 100 computer chips made by a manufacturer were inspected and 8 were found to be defective.a
Does lovastatin reduce the risk of heart attack? Researchers gave lovastatin to 2,325 people and an placebo to 2,081 people. the average age of both groups in 58 years.
Give the coefficient for high school math grades with a 95% confidence interval. Do the same for the two other predictors in this model.
a selfless person approaches jones and smith with a 100 bill and offers to sell it to the highest bidder but both the
Art therapy is a common tool to use with children who have a hard time bonding with a therapist and opening up during therapy sessions. Dr. Contos wants to examine if children who participate in art therapy (M.48, SD.67) score lower on levels of ..
Suppose two groups of 20 random orders are independently selected. What is the probability that at least 16 orders will be filled correctly in both groups
Formulate an alternative hypothesis for each of the following null hypotheses. (a) H0: Support for a presidential candidate is unchanged after the start of the use of TV commercials.
there are 15 boys and 30 girls in class and 10 are to be randomly selected for special project. whats the probability
Armstrong Faber produces a standard number-two pencil called Ultra-Lite. Since Chuck Armstong started Armstrong Faber, sales have grown steadily. With the increase in the price of wood products.
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