The data show systolic and diastolic blood pressure of a sample of people.     x​ (Systolic) 149 141 122 114 132 141 135 140 y​ (Diastolic) 104 81 87 80 77 101 91 99 a. Find the value of the linear correlation​ coefficient:   r​ = nothing   ​(Round to three decimal places as​ needed.)   b. Find the critical value for determining if there is a correlation between systolic and diastolic pressure in the population of all people.   Critical value​ = nothing   ​(Round to three decimal places as​ needed.)   c. Is there a linear correlation between systolic and diastolic pressure in the population of all people.     A. No     B. Yes     d. Find the regression equation that describes the diastolic pressure in terms of the systolic pressure.   yequals nothingplusnothing x ​ (Round to two decimal places as​ needed.)   e. Find the best predicted diastolic pressure for a person with a systolic reading of 146 .   yalmost equals nothing   ​(Round to one decimal place as​ needed

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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The data show systolic and diastolic blood pressure of a sample of people.  
 
x​ (Systolic)
149
141
122
114
132
141
135
140
y​ (Diastolic)
104
81
87
80
77
101
91
99
a. Find the value of the linear correlation​ coefficient:
 
r​ =
nothing
 
​(Round to three decimal places as​ needed.)
 
b. Find the critical value for determining if there is a correlation between systolic and diastolic pressure in the population of all people.
 
Critical value​ =
nothing
 
​(Round to three decimal places as​ needed.)
 
c. Is there a linear correlation between systolic and diastolic pressure in the population of all people.
 
 
A.
No
 
 
B.
Yes
 
 
d. Find the regression equation that describes the diastolic pressure in terms of the systolic pressure.
 
yequals

nothingplusnothing

x
​ (Round to two decimal places as​ needed.)
 
e. Find the best predicted diastolic pressure for a person with a systolic reading of
146
.
 
yalmost equals

nothing

 

​(Round to one decimal place as​ needed.

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