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Grade Local Chain Total 2 15.28 A 182 149 331 df 2 B 77 51 128 N 511 Pending 15 37 52 p 0.0005 Total
Grade | Local | Chain | Total | 2 | 15.28 | ||
A | 182 | 149 | 331 | df | 2 | ||
B | 77 | 51 | 128 | N | 511 | ||
Pending | 15 | 37 | 52 | p | 0.0005 | ||
Total | 274 | 237 | 511 | 0.17 | |||
Cramer's V | 0.17 | ||||||
Lambda | 0 | ||||||
Overall, how many restaurants have a grade of pending? | |||||||
Overall, what proportion of restaurants have a grade of pending? | |||||||
What proportion of local restaurants have a grade of pending? | |||||||
What proportion of chain restaurants have a grade of pending? | |||||||
For purposes of calculating df, how many rows does the table have? | |||||||
If you crossed off the local column and the A row, how many cells would be left in the table? | |||||||
Using alpha = .05, does the test of independence support the hypothesis that the two kinds of restaurants differ? (Y or N) | |||||||
Based on phi and Cramer's V, how would you describe the strength of association: W=weak, M=moderate, S=strong. | |||||||
How many errors would you make if you predicted the modal grade overall? | |||||||
How many errors would you make if you predicted the model grade within columns? | |||||||
Does knowing the type of restaurant help us predict their grade based on modal values? (Y or N) | |||||||
Which type of restaurant has a larger proportion of pending grades? (L or C) |
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