Question 177676: Sixty-four students in an introductory college economics class were asked how many credits they
had earned in college, and how certain they were about their choice of major. Research question:
At α = .01, is the degree of certainty independent of credits earned?
Earned Very Uncertain Somewhat Certain Very Certain Row Total
0–9 12 8 3 23
10–59 8 4 10 22
60 or more 1 7 11 19
Col Total 21 19 24 64
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Sixty-four students in an introductory college economics class were asked how many credits they
had earned in college, and how certain they were about their choice of major. Research question:
At α = .01, is the degree of certainty independent of credits earned?
Earned Very Uncertain Somewhat Certain Very Certain Row Total
0–.........12................ 8........... 3.......... 23
10–59...... 8................ 4.......... 10.......... 22
60 or more..1................ 7.......... 11.......... 19
Col Total..21............... 19.......... 24.......... 64
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Chi-Sq. Test results:
Test Statistic: 14.7638..
p-value 0.005:
df= 4
Conclusion: Since p-value < 1%, reject Ho
row and column factors are related (dependent)
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Cheers,
Stan H.
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