A college dean believes that the median hours spent studying by full time students is at least 11 hours per week.
In a random sample of 100 students, 60 studied more than 11 hours, 10 studied exactly 11 hours and the rest studied less than 11 hours. Find the test statistic to test the deans hypothesis. Use = 0.05. A) -3.057 B) -3.162 C) -3.9 D) -4
Question 2
The mean age of professors at a university is greater than 58.3 years. If a hypothesis test is performed, how should you interpret a decision that rejects the null hypothesis?
A) There is sufficient evidence to support the claim > 58.3.
B) There is sufficient evidence to reject the claim > 58.3.
C) There is not sufficient evidence to reject the claim > 58.3.
D) There is not sufficient evidence to support the claim > 58.3.
Median Annual Earnings of Full-Time Workers, by Gender, 1960–2010
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