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1. The extra point. The scatterplot shows five blue data points at the left. Not surprisingly, the correlation for these points is r = 0. Suppose one additional data point is added at one of the five positions suggested below in green. Match each point (a-e) with the correct new correlation from the list given.
2. What's the cause? A researcher gathering data for a pharmaceutical firm measures blood pressure and the per- centage of body fat for several adult males and finds a strong positive association. Describe three different possi- ble cause-and-effect relationships that might be present.
3. What's the effect? Published reports about violence in computer games have become a concern to developers and distributors of these games. One firm commissioned a study of violent behavior in elementary-school children. The researcher asked the children's parents how much time each child spent playing computer games and had their teachers rate each child's level of aggressiveness when playing with other children. The researcher found a moderately strong positive correlation between computer game time and aggressiveness score. But does this mean that playing computer games increases aggression in children? Describe three different possible cause-and-effect explana- tions for this relationship.
the final exam covers modules 01-10 and consists of a series of short answers to given questions or statements. in a
Indus Company has a Supplies account balance of $900 on January 1, 2009. During 2009, it purchased $4,000 of supplies. As of December 31, 2009, a supplies inventory shows $750 of supplies available. Prepare the adjusting journal entry to correctly..
Prepare the appropriate entries for Winn Heat Transfer from the inception of the lease through the end of 2011. Winn's fiscal year is the calendar year. Winn uses straight-line depreciation.
the number of workdays varies from month to month due to the number of weekdays holidays days of vacation and sick
how the variation in the ending inventory between lifo fifo and average value is reflect on the balance sheet? in
Calculate Basic and Dilutive Earnings per Share
clean dirt inc. had 8000 of salaries payable at december 31 2010. during 2011 clean dirts salary expense was 60000. at
prepare a system flowchart for the following narrative of a small grocery storewho use a small office network of pcs to
Explain the actions of Former NSW premier Kristina Keneally to urge Prime Minister Julia Gillard to dump the carbon tax policy and explain the governments carbon tax policy
locate an article on the internet or in the library databases that describes an example of the use of statistics in
a security analyst has regressed the monthly returns on berkshire hathaway equity shares over the past five years
Keshena Co. borrows $240,000 cash on November 1, 2009, by signing a 180-day, 10% note with a face value of $240,000. On what date does this note mature?
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