Stat200 week 8 homework Study guides, Class notes & Summaries
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![STAT 200 STAT200 WEEK 7 HOMEWORK with accurate SOLUTION (UMUC)](/docpics/635c2a7a327b9_2063678.jpg)
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STAT 200 STAT200 WEEK 7 HOMEWORK with accurate SOLUTION (UMUC)
- Exam (elaborations) • 8 pages • 2022
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- $11.00
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STAT 200 STAT200 WEEK 7 HOMEWORK with accurate SOLUTION (UMUC) 
 
 
 
 
STAT 200 STAT200 WEEK 7 HOMEWORK SOLUTION (UMUC) 
Anquanette Sterling STAT Week 7 Homework 
 
#1) 2 Points 
2.	The formula for a regression equation is Y’ = 2X + 9. 
a.	What would be the predicted score for a person scoring 6 on X? 
Y = 2(6) + 9 = 12+9 = 21 
b.	If someone’s predicted score was 14, what was this person’s score on X? 14 = 2X + 9 
-9	-9 
5 = 2X 
2.5 = X 
#2) 2 Points 
 
 
6.	For the X,Y data below 
 
 
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![STAT 200 WEEK 8 HOMEWORK [SOLVED > GRADE A]](/docpics/6138b84eb045c_1286907.jpg)
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STAT 200 WEEK 8 HOMEWORK [SOLVED > GRADE A]
- Exam (elaborations) • 14 pages • 2021
- Available in package deal
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- $9.99
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Question 1 (0.5 points) 
A team of cognitive psychologists studying the effects of sleep deprivation on short-term memory decay 
had eight participants stay in a sleep lab for two days. Four participants were randomly assigned to a 
condition in which they were not permitted to sleep during that period, while the other four participants 
were allowed to sleep when they wanted to. At the end of the two days, the participants completed a 
short-term memory task that yielded the results in the tabl...
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