The data show the chest size and weight of several bears. Find the regression equation, letting chest size be the independent (x) variable. Then find the best predicted weight of a bear with a chest size of 53 inches. Is the result close to the actual weight of 575 pounds? Use a significance level of 0.05. Chest size (inches) Weight (pounds) 44 403 59 55 645 563 59 587 548 57 44 406 Click the icon to view the critical values of the Pearson correlation coefficient r. Critical Values of the Pearson Correlation Coefficient r - X What is the regression equation? y=x (Round to one decimal place as needed.) Critical Values of the Pearson Correlation Coefficient r n από 0.05 a=0.01 NOTE: To test Ho: p=0 0.950 0.990 against H,: p0, reject Ho 5 0.878 0.959 6 0.811 0.917 if the absolute value of ris greater than the critical 7 0.754 0.875 value in the table. 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 W17 0.482 0.606 18 0.468 0.590 19 0.456 0.575 20 0.444 0.561 25 0.396 0.505 30 0.361 0.463 35 0.335 0.430 40 0.312 0.402 45 0.294 0.378 50 0.279 0.361 60 0.254 0.330 70 0.236 0.305 80 0.220 0.286 90 0.207 0.269 100 0.196 0.256 n α = 0.05 α = 0.01
The data show the chest size and weight of several bears. Find the regression equation, letting chest size be the independent (x) variable. Then find the best predicted weight of a bear with a chest size of 53 inches. Is the result close to the actual weight of 575 pounds? Use a significance level of 0.05. Chest size (inches) Weight (pounds) 44 403 59 55 645 563 59 587 548 57 44 406 Click the icon to view the critical values of the Pearson correlation coefficient r. Critical Values of the Pearson Correlation Coefficient r - X What is the regression equation? y=x (Round to one decimal place as needed.) Critical Values of the Pearson Correlation Coefficient r n από 0.05 a=0.01 NOTE: To test Ho: p=0 0.950 0.990 against H,: p0, reject Ho 5 0.878 0.959 6 0.811 0.917 if the absolute value of ris greater than the critical 7 0.754 0.875 value in the table. 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 W17 0.482 0.606 18 0.468 0.590 19 0.456 0.575 20 0.444 0.561 25 0.396 0.505 30 0.361 0.463 35 0.335 0.430 40 0.312 0.402 45 0.294 0.378 50 0.279 0.361 60 0.254 0.330 70 0.236 0.305 80 0.220 0.286 90 0.207 0.269 100 0.196 0.256 n α = 0.05 α = 0.01
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:The data show the chest size and weight of several bears. Find the regression equation, letting chest size be the independent (x) variable. Then find the best predicted weight of a bear with a chest size of 53 inches. Is the result close to the actual weight of 575
pounds? Use a significance level of 0.05.
Chest size (inches)
Weight (pounds)
44
403
59
55
645 563
59
587 548
57
44
406
Click the icon to view the critical values of the Pearson correlation coefficient r.
Critical Values of the Pearson Correlation Coefficient r
- X
What is the regression equation?
y=x (Round to one decimal place as needed.)
Critical Values of the Pearson Correlation Coefficient r
n
από 0.05
a=0.01
NOTE: To test Ho: p=0
0.950
0.990
against H,: p0, reject Ho
5
0.878
0.959
6
0.811
0.917
if the absolute value of ris
greater than the critical
7
0.754
0.875
value in the table.
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
W17
0.482
0.606
18
0.468
0.590
19
0.456
0.575
20
0.444
0.561
25
0.396
0.505
30
0.361
0.463
35
0.335
0.430
40
0.312
0.402
45
0.294
0.378
50
0.279
0.361
60
0.254
0.330
70
0.236
0.305
80
0.220
0.286
90
0.207
0.269
100
0.196
0.256
n
α = 0.05
α = 0.01
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