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Question: Graduation. In October 2000 the U.S. Department of Commerce reported the results of a large-scale survey on high school graduation. Researchers contacted more than 25,000 Americans aged 24 years to see if they had finished high school; 84.9% of the 12,460 males and 88.1% of the 12,678 females indicated that they had high school diplomas.
a) Are the assumptions and conditions necessary for inference satisfied? Explain.
b) Create a 95% confidence interval for the difference in graduation rates between males and females.
c) Interpret your confidence interval.
d) Does this provide strong evidence that girls are more likely than boys to complete high school? Explain.
Is the dealer's mean significantly greater than the national average of 30,000 miles for 2-year leased vehicles, using the 10 percent level of significance?
a pet company has a business objective of expanding its product line beyond its current kidney- and shrimp-based cat
Confirm that these statements are accurate by finding the geometric mean rate of increase.
1. a survey was conducted to measure the height of men. in the survey respondents were grouped by age. in the 20-29 age
Run a simple linear regression of these five pairs of numbers and estimate a linear relationship between income and percentage growth in wealth.
Explain exactly how you interpret regression coefficients if logs are taken only of Y, only of the Xs, or of both Y and the Xs.
What type of exercise (often practiced by historians) would be a corrective to a historian's teleological argument? Explain why?
The standard deviation in cash bonuses is $15,618 and the standard deviation in annual pay is $28,077. The estimated slope of best fitting line relating x and y is?
Test the estimated slope coefficients for individual variables for significance. Remove all insignificant variables and re-estimate the model
Over the past 50 years, the number of hurricanes that have been reported are as follows: 9 times there were 7 hurricanes, 14 times there were 8 hurricanes, 19 times there were 11 hurricanes, and in the remaining years there were 14 hurricanes. Wha..
What is the OR of getting cancer fora late child birth woman compared to an early first birth woman?
What is the margin of error for a 95% confidence interval for the difference of the two means (low capacity - high capacity)? (Answer to the nearest hundredth.)
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