STAT 200: Introduction To Statistics (STAT 200)
University Of Maryland - College Park
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STAT 200 Week 3 Homework Problems - STAT200 Week 3: Introduction To Statistics Quiz
- Exam (elaborations) • 5 pages • 2021
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STAT 200 Week 3 Homework Problems 
4.1.4 
A project conducted by the Australian Federal Office of Road Safety asked people many questions about their cars. One question was the reason that a person chooses a given car, and that data is in table #4.1.4 ("Car preferences," 2013). 
Table #4.1.4: Reason for Choosing a Car 
Safety	Reliability	Cost	Performance	Comfort	Looks 
84	62	46	34	47	27 
	 
Find the probability a person chooses a car for each of the given reasons. 
Solution: 
Safety: 84/300 ...
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STAT 200 Week 7 Homework Problems - STAT200 Week 7: Introduction To Statistics Quiz
- Exam (elaborations) • 9 pages • 2021
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STAT 200 Week 7 Homework Problems 
10.1.2 
Table #10.1.6 contains the value of the house and the amount of rental income in a year that the house brings in ("Capital and rental," 2013). Create a scatter plot and find a regression equation between house value and rental income. Then use the regression equation to find the rental income a house worth $230,000 and for a house worth $400,000. Which rental income that you calculated do you think is closer to the true rental income? Why? 
 
Table ...
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STAT 200 Week 4 Homework Problems - STAT200 Week 4: Introduction To Statistics Quiz
- Exam (elaborations) • 5 pages • 2021
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- $15.20
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STAT 200 Week 4 Homework Problems 
6.1.2 
⦁	The commuter trains on the Red Line for the Regional Transit Authority (RTA) in Cleveland, OH, have a waiting time during peak rush hour periods of eight minutes ("2012 annual report," 2012). 
⦁	State the random variable. X=The waiting time of the trains on the Red Line 
⦁	Find the height of this uniform distribution. 
F(x)= 1/8-0 = 0.125 
⦁	Find the probability of waiting between four and five minutes. 
 	P(4<X<5)= (5-4)*0.125 = 0.125...
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