The data show the chest size and weight of several bears. Find the regression? equation, letting...

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The data show the chest size and weight of several bears. Findthe regression? equation, letting chest size be the independent?(x) variable. Then find the best predicted weight of a bear with achest size of
3939
inches. Is the result close to the actual weight of
126126
?pounds? Use a significance level of 0.05.
Chest size? (inches)
44
41
41
55
51
42
Weight? (pounds)
213
206
176
309
300
178
n
alpha?equals=0.05
alpha?equals=0.01
?NOTE: To test
H0?:
rho?equals=0
against
H1?:
rho?not equals??0,
reject
H0
if the absolute value of r is greater than the critical value inthe table.
4
0.950
0.990
5
0.878
0.959
6
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
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
alpha?equals=0.05
alpha?equals=0.01
PrintDone
What is the regression equation?

Chest size? (inches)	44	41	41	55	51	42
Weight? (pounds)	213	206	176	309	300	178

n	alpha?equals=0.05	alpha?equals=0.01	?NOTE: To test H0?: rho?equals=0 against H1?: rho?not equals??0, reject H0 if the absolute value of r is greater than the critical value inthe table.
4	0.950	0.990
5	0.878	0.959
6	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
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	alpha?equals=0.05	alpha?equals=0.01

Answer & Explanation Solved by verified expert

3.5 Ratings (290 Votes)

We need to find the Least Squares RegressionLine equation for the independent variable ie Chestsizeinches and the dependent variable ie Weightpounds forbearsThe Least Squares Regression Line is given bywhere x Chest size y WeightThe following data is given for six bearsn6 the number of bears in the See Answer

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