Listed below are systolic blood pressure measurements (in mm Hg) obtained from the same woman. Find the regression equation, letting the right arm blood pressure be the predictor (x) variable. Find the best predicted systolic blood pressure in the left arm given that the systolic blood pressure in the right arm is 85 mm Hg. Use a significance level of 0.05. Right Arm 103 102 94 77 78 D Left Arm 176 170 148 147 148 E Click the icon to view the critical values of the Pearson correlation coefficient r The regression equation is y =+ x. (Round to one decimal place as needed.) Data Table Critical Values of the Pearson Correlation Coefficient r NOTE: To test Ho: a = 0.01 0.990 n a = 0.05 4 0.950 p= 0 against H, :p±0, 0.878 0.959 reject H, if the absolute tvalue of r is greater than the critical value in the table 0.811 0.917 7 0.754 0.875 0.707 0.834

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
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Listed below are systolic blood pressure measurements (in mm Hg) obtained from the same woman. Find the regression equation, letting the right arm blood
pressure be the predictor (x) variable. Find the best predicted systolic blood pressure in the left arm given that the systolic blood pressure in the right arm is
85 mm Hg. Use a significance level of 0.05.
Right Arm
103
102
94
77
78 D
Left Arm
176
170
148
147
148
Click the icon to view the critical values of the Pearson correlation coefficient r
The regression equation is y = + x.
(Round to one decimal place as needed.)
Data Table
Critical Values of the Pearson Correlation Coefficient r
NOTE: To test Ho:
p= 0 against H,:p#0,
a = 0.05
a = 0.01
4
0.950
0.990
5
0.878
0.959
reject Ho if the absolute
value of r is greater
than the critical value in
the table.
0.811
0.917
7
0.754
0.875
8
0.707
0.834
9
0.666
0.798
10
0.632
0.765
11
0.602
0.735
12
0.576
0.708
13
0.553
0.684
14
0.532
0.661
15
0.514
0.641
16
0.497
0.623
17
0.482
0 606
18
0.468
0.590
19
0.456
0.575
20
0.444
0.561
0.396
0.361
25
0.505
30
0.463
35
0.335
0.430
40
0.312
0.402
45
0.294
0.378
50
0.279
0.361
0.330
0.305
60
0.254
0.236
0.220
70
80
0.286
90
0.207
0.269
100
0.196
0.256
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Transcribed Image Text:Listed below are systolic blood pressure measurements (in mm Hg) obtained from the same woman. Find the regression equation, letting the right arm blood pressure be the predictor (x) variable. Find the best predicted systolic blood pressure in the left arm given that the systolic blood pressure in the right arm is 85 mm Hg. Use a significance level of 0.05. Right Arm 103 102 94 77 78 D Left Arm 176 170 148 147 148 Click the icon to view the critical values of the Pearson correlation coefficient r The regression equation is y = + x. (Round to one decimal place as needed.) Data Table Critical Values of the Pearson Correlation Coefficient r NOTE: To test Ho: p= 0 against H,:p#0, a = 0.05 a = 0.01 4 0.950 0.990 5 0.878 0.959 reject Ho if the absolute value of r is greater than the critical value in the table. 0.811 0.917 7 0.754 0.875 8 0.707 0.834 9 0.666 0.798 10 0.632 0.765 11 0.602 0.735 12 0.576 0.708 13 0.553 0.684 14 0.532 0.661 15 0.514 0.641 16 0.497 0.623 17 0.482 0 606 18 0.468 0.590 19 0.456 0.575 20 0.444 0.561 0.396 0.361 25 0.505 30 0.463 35 0.335 0.430 40 0.312 0.402 45 0.294 0.378 50 0.279 0.361 0.330 0.305 60 0.254 0.236 0.220 70 80 0.286 90 0.207 0.269 100 0.196 0.256 Print Done
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