Use the contingency table to the right to complete parts a through c below
A |
B |
Total |
|
1 |
52 |
18 |
70 |
2 |
18 |
12 |
30 |
Total |
70 |
30 |
100 |
Find the expected frequency for each cell
A |
B |
Total |
|
1 |
70 |
||
2 |
30 |
||
total |
70 |
30 |
100 |
b) Compare the observed and expect frequencies for each cell
Choose the correct answer below
The totals for the observed and expected frequencies are the same.
The observed values are always greater than the expected values
The totals for the observed values are always greater than the totals for the expected values.
The expected values are always greater than the observed values.
C) Compute 2χ2STAT.Is it significant at a=0.010.01?
rounding to two decimal places.
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