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- Unit 06: Correlation and
- If the correlation coefficient
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Card 132 / 180: If the correlation coefficient between x and y equals 0.50, then the coefficient of determination must equal which of the following?
A)
–0.50
B)
+0.50
C)
0.25
D)
0.70
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Step 1: Find the mean. To find the mean, add up all the scores, then divide them by the number of scores. ...
Step 2: Find each score's deviation from the mean. ...
Step 3: Square each deviation from the mean. ...
Step 4: Find the sum of squares. ...
Step 5: Divide the sum of squares by n – 1 or N.
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Bhartdarshan'is an internet-based travel agency wherein customer can see videos of the cities they plan to visit. The number of hits daily is a normally distributed random variable with a mean of 10,000 and a standard deviation of 2,400.
a. What is the probability of getting more than 12,000 hits
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Business Statistics
Author:
David BourgeoisLecturer
The Saylor Academy
USA
Access:
Public
Instant Grading
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Attribution:
David T. Bourgeois, PhD; Bharatendra K. Rai, PhD. Business Statistics. The Saylor Academy 2014, http://www.saylor.org/courses/bus204/
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