MATH 302
Liberty University
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MATH302 WEEK 1 UPTO 8 ALL YOU NEED TO PASS
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MATH302 WEEK 1 UPTO 8 ALL YOU NEED TO PASS
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MATH 302 WEEK 1 EXAM
- Exam (elaborations) • 8 pages • 2022
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MATH 302 
WEEK 1 
EXAM 
Question number 1 
A Lake Tahoe Community College instructor is interested in the mean number 
of days Lake Tahoe Community College math students are absent from class 
during a quarter. 
X = number of days a Lake Tahoe Community College math student is absent 
The instructor’s sample produces a mean number of days absent of 3.5 days. 
This value is an example of a: 
variable 
statistic 
data 
parameter 
Correct 
Question number 2 
“Duration (amount of time)” is wha...
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MATH302 WEEK 7 TEST
- Exam (elaborations) • 38 pages • 2022
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MATH302 
WEEK 7 TEST 
Part 1 of 7 - Linear Regression and Correlation; Outliers and Values of 
Correlation 2.0/ 2.0 Points 
Question 1 of 20 
1.0/ 1.0 Points 
The least squares regression line for a data set is yˆ=5+0.3x and the standard deviation of the 
residuals is 0.52. 
Does a case with the values x = -1.59, y = 5.78 qualify as an outlier? 
 
A. 
Cannot be determined with the given information 
 
B. 
No 
 
C. 
Yes 
Answer Key: C 
Feedback: 
Plug in -1.59 for x. 
y = 5 + .3*-1.59 
...
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