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 50 inches. Is the result close to the actual weight of 417 pounds? Use a significance level of 0.05. Chest size (inches) Weight (pounds) 49 368 53 57 45 O 457 287 51 61 382 420 481 Click the icon to view the critical values of the Pearson correlation coefficient r. What is the regression equation? y =+ x (Round to one decimal place as needed.)
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 50 inches. Is the result close to the actual weight of 417 pounds? Use a significance level of 0.05. Chest size (inches) Weight (pounds) 49 368 53 57 45 O 457 287 51 61 382 420 481 Click the icon to view the critical values of the Pearson correlation coefficient r. What is the regression equation? y =+ x (Round to one decimal place as needed.)
Chapter4: Linear Functions
Section: Chapter Questions
Problem 30PT: For the following exercises, use Table 4 which shows the percent of unemployed persons 25 years or...
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7- Hi Wonderful Bartleby Team (Thanks for all the help I do really aprecciate all you guys do) I need help with this exercise from stats.
This exercise has 3 parts, please provide an answer for all the parts. Thanks in advance
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 50 inches. Is the result close to the actual weight of 417 pounds? Use a significance level of 0.05.
Chest size (inches)
Weight (pounds)
A Click the icon to view the critical values of the Pearson correlation coefficient r.
49
61
57
45 O
287
51
53
368
382
420
481
457
...
What is the regression equation?
y =+x (Round to one decimal place as needed.)
Transcribed Image Text:What is the regression equation?
Critical Values of the Pearson Correlation Coefficient r
x (Round to one decimal place as needed.)
What is the best predicted weight of a bear with a chest size of 50 inches?
Critical Values of the Pearson Correlation Coefficient r
NOTE: To test Ho p= 0
against H,: p#0, reject
if the absolute value of i
1greater than the critical
value in the table.
a = 0.05
0.950
0.878
0.811
0.754
0.707
0.666
0.632
0.602
0.576
0.553
0.532
a = 0.01
0.990
0 959
0.917
0.875
0.834
0.798
0.765
0.735
0.708
0.684
0.661
0.641
0.623
0.606
0.590
0.575
0.561
0.505
0.463
0.430
0.402
0.378
0.361
0.330
0.305
0.286
0.269
0.256
a= 0.01
The best predicted weight for a bear with a chest size of 50 inches is
pounds.
(Round to one decimal place as needed.)
Is the result close to the actual weight of 417 pounds?
O A. This result is exactly the same as the actual weight of the bear.
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16
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18
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25
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100
O B. This result is not very dlose to the actual weight of the bear.
OC. This result is very close to the actual weight of the bear.
O D. This result is close to the actual weight of the bear.
0.514
0.497
0.482
0.468
0.456
0.444
0.396
0.361
0.335
0.312
0.294
0.279
0.254
0236
0.220
0.207
0.196
a = 0.05
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