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According to the 2004 Canadian Community Health Survey,23

Question 37
Multiple Choice

According to the 2004 Canadian Community Health Survey,23.1% of Canadians aged 18 or older were considered obese; that is,they had a body mass index (BMI)of 30 or higher.Suppose you believe that the percentage of obese Canadians has decreased since 2004 and wish to test your belief.A current survey in 2014 of 1000 random Canadians found that 219 were obese.State the critical value required to perform an appropriate hypothesis test using α = 0.05. A)-1.645 B)-1.96 C)1.96 D)1.282 E)1.645

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Q 38
A weight loss centre provided a loss for 72% of its participants.The centre's leader decides to test a new weight loss strategy on a random sample size of 140 and found weight loss in 78% of the participants.State the critical value required to perform an appropriate hypothesis test using α = 0.01. A)-1.645 B)1.96 C)2.576 D)2.326 E)1.645
Q 39
Five years ago,a company found that 8% of its employees commuted to work by car.A survey investigates whether the current proportion of employees who commute by car to work is higher than it was five years ago.A test on employee commuting by car was done on a random sample of 1000 employees,and found car commuting to be 12%.State the critical value required to perform an appropriate hypothesis test using α = 0.001. A)1.96 B)2.326 C)3.09 D)3.29 E)2.576
Q 40
In April of 2011,the unemployment rate in Canada was reported to be 7.6%.You wish to know if the current unemployment rate differs from that of April 2011.You take a random sample size of 1000 and found unemployment at 6.1%.State the critical value required to perform an appropriate hypothesis test using α = 0.05. A)1.282 B)1.96 C)2.576 D)1.645 E)3.09
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