Question
A pharmaceutical company conducted a study to evaluate the relationship between several doses of a new...
- A pharmaceutical company conducted a study to evaluate the relationship between several doses of a new hypnotic agent and sleeping time.
The results of this study are listed as follows:
Subject Sleeping Time Doses
(in minutes)
________________________________
A 4 2
B 6 3
C 5 4
. . .
Y 11 3
Z 9 4
________________________________
∑Y = 210 ∑X = 240
∑Y2 = 2000 ∑X2 = 3000
∑XY=2300
n=26
(a) Find the correlation coefficient.
TYPE YOUR ANSWER BELOW:
______
- Interpret the correlation coefficient.
TYPE YOUR ANSWER BELOW:
______
6 points
- Perform statistical test to determine if the correlation coefficient is
significant difference from zero.
TYPE YOUR ANSWER BELOW AND SHOW YOUR WORK ON A SEPARATE FILE:
Homework Answers
Answer #1
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