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April 21, 2014

April 21, 2014

Posted by **Joy Chapman** on Tuesday, October 18, 2011 at 3:30pm.

Individual

Tim

Tom

Tina

Tory

IQ Score (X)

Tim's IQ Score (X) = 118

Tom's IQ Score (X) = 98

Tina's IQ Score (X) = 107

Tory's IQ Score (X) = 103

Psychology Exam Score (Y)

Tim =

Tom =

Tina =

Tory =

- Statistics: IQ Score (X) and Exam Score (Y) -
**MathGuru**, Tuesday, October 18, 2011 at 6:49pmSubstitute each score for X in the regression equation and solve for predicted y (Y').

- Statistics: IQ Score (X) and Exam Score (Y) -
**hj**, Saturday, April 14, 2012 at 10:35amhhjjh6776

- Statistics: IQ Score (X) and Exam Score (Y) -
**Kiz**, Thursday, December 27, 2012 at 1:37amTim= 41

Tom=36

Tina= 38

Tory =37

Y'=9+0.274(118)

Y'=41.332

- Statistics: IQ Score (X) and Exam Score (Y) -
**Anonymous**, Thursday, October 3, 2013 at 11:03pmThe producers of a new toothpaste claim that it prevents more cavities than other brands of toothpaste. A random sample of 60 people used the new toothpaste for 6 months. The mean number of cavities at their next check up is 1.5 in the general population the mean # of cavities after a 6 month check up is 1.73 (@-1.12). Is this a 1 or 2 tailed test

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