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Question Stats:
84% (02:03) correct 16% (02:09) wrong based on 232 sessionsStore | Self check express lanes | Self-check unlimited lanes | Pharmacy | Fuel | Restaurant | Average customer age |
---|---|---|---|---|---|---|
A | 8 | 4 | yes | no | no | 34.5 |
B | 8 | 6 | no | no | no | 28.4 |
C | 6 | 4 | yes | no | yes | 32 |
D | 8 | 0 | yes | no | no | 50.5 |
E | 12 | 4 | yes | yes | no | 42.5 |
F | 8 | 6 | no | no | yes | 34.6 |
G | 8 | 0 | no | yes | no | 38.8 |
H | 4 | 8 | yes | no | yes | 29.9 |
I | 0 | 0 | yes | yes | yes | 56.7 |
averages | 6.89 | 3.56 | — | — | — | 38.73 |
True | False | |
Each of the stores with an above-average customer age has a restaurant. | ||
Store E is the only listed store that has fuel service and pharmacy service but does not have a restaurant. | ||
Each of the stores that has fewer self-check unlimited lanes than the chain-wide average has an average customer age that is higher than the chain-wide average. |
True | False | Statements |
In each store whose average customer age falls between 34 and 36, the number of self-check express lanes is above average. | ||
There is a negative correlation between the number of self-check unlimited lanes and the average customer age. | ||
Stores in this table that have fewer self-check express lanes than the chain-wide average are less likely to have restaurants than stores that have more self-check express lanes than the chain-wide average. |
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