The performance of students at a local community was recorded and categorized based on student’s faculty. The gathered data was then analyzed by a statistician and the results obtained using MINITAB are shown below:   Expected counts are printed below observed counts Science        Low            Average              High           Total                        12                  30                      52              94                     (15.67)         (29.24)              (49.09) Humanities  14                  20                     30                **                      (10.67)        (19.91)              (33.42) Law                4                  6                       12                 22                      (*)                (6.84)               (11.49) Total             30                56                      94               180 Chi - sq = 0.858 + 0.020 + *** +  1.042   0.000 + 0.350 +  0.030 + 0.104 + 0.023 = 2.600 What is the degree of freedom for this test?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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The performance of students at a local community was recorded and categorized based on student’s faculty. The gathered data was then analyzed by a statistician and the results obtained using MINITAB are shown below:  

Expected counts are printed below observed counts

Science        Low            Average              High           Total 

                      12                  30                      52              94

                    (15.67)         (29.24)              (49.09)

Humanities  14                  20                     30                **

                     (10.67)        (19.91)              (33.42)

Law                4                  6                       12                 22

                     (*)                (6.84)               (11.49)

Total             30                56                      94               180

Chi - sq = 0.858 + 0.020 + *** + 

1.042   0.000 + 0.350 + 

0.030 + 0.104 + 0.023 = 2.600

What is the degree of freedom for this test?

 

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