The results of a recent study regarding exercise and three types of illnesses are shown in the following table. llness Emphysema Heart problem Cancer None Totals No Exercise 32 60 28 150 270 Exercise 48 88 42 252 430 Totals 80 148 70 402 700 The participants of this study were classified as "Exercisers" if they exercise for at least 30 minutes, at least 3 times per week, at an aerobic pace. Using an a = 05 level of significance, is exercising independent of the type of illness? (Be sure to say whether you reject or not reject Ho and why)

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The participants of this study were classified as "Exercisers" if they exercise for at least 30 minutes, at least 3 times per week, at an aerobic pace. Using an ? = .05 level of significance, is exercising independent of the type of illness? (Be sure to say whether you reject or not reject Ho and why)

Observed
Emphysema
Heart Problem
Cancer
None
Grand Total
Expected
Emphysema
Heart Problem
Cancer
None
Grand Total
Chi-square
Emphysema
Heart Problem
Cancer
None
Grand Total
Test Statistic
P-Value
Degrees of Freedom
Critical Value
No Exercise
No Exercise
No Exercise
Chi-square
#DIV/0!
#NUM!
32
60
28
150
270
0
0
Exercise
Exercise
Exercise
48
88
42
252
430
0
0
0
Grand Total
80
148
70
402
700
Grand Total
Grand Total
0
0
OOO
0
0
0
OOO OO
0
0
0
0
0
eij
(Row i Total) (Column j Total)
Sample Size
x² = [[ (fij −¤ij)²
eij
(r - 1)(c - 1) degrees of freedom.
Transcribed Image Text:Observed Emphysema Heart Problem Cancer None Grand Total Expected Emphysema Heart Problem Cancer None Grand Total Chi-square Emphysema Heart Problem Cancer None Grand Total Test Statistic P-Value Degrees of Freedom Critical Value No Exercise No Exercise No Exercise Chi-square #DIV/0! #NUM! 32 60 28 150 270 0 0 Exercise Exercise Exercise 48 88 42 252 430 0 0 0 Grand Total 80 148 70 402 700 Grand Total Grand Total 0 0 OOO 0 0 0 OOO OO 0 0 0 0 0 eij (Row i Total) (Column j Total) Sample Size x² = [[ (fij −¤ij)² eij (r - 1)(c - 1) degrees of freedom.
The results of a recent study regarding exercise and three types of illnesses are shown in the following table.
llness
Emphysema
Heart problem
Cancer
None
Totals
No Exercise
32
60
28
150
270
Exercise
48
88
42
252
430
Totals
80
148
70
402
700
The participants of this study were classified as "Exercisers" if they exercise for at least 30 minutes, at least 3 times per week, at an aerobic pace. Using an a =
O 05 level of significance, is exercising independent of the type of illness? (Be sure to say whether you reject or not reject Ho and why)
Transcribed Image Text:The results of a recent study regarding exercise and three types of illnesses are shown in the following table. llness Emphysema Heart problem Cancer None Totals No Exercise 32 60 28 150 270 Exercise 48 88 42 252 430 Totals 80 148 70 402 700 The participants of this study were classified as "Exercisers" if they exercise for at least 30 minutes, at least 3 times per week, at an aerobic pace. Using an a = O 05 level of significance, is exercising independent of the type of illness? (Be sure to say whether you reject or not reject Ho and why)
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