To determine which restaurant has more consistent delivery times, we can compare the range of delivery times for both restaurants. The range is calculated by subtracting the minimum delivery time from the maximum delivery time.
Delivery times:
- Restaurant 1: 40, 42, 37, 38, 40, 37, 41, 39, 38, 38
- Restaurant 2: 46, 40, 41, 42, 37, 41, 40, 40
Calculating the range for each restaurant:
-
Restaurant 1:
- Minimum = 37
- Maximum = 42
- Range = Maximum - Minimum = 42 - 37 = 5
-
Restaurant 2:
- Minimum = 37
- Maximum = 46
- Range = Maximum - Minimum = 46 - 37 = 9
Comparison:
- Restaurant 1 has a range of 5 minutes.
- Restaurant 2 has a range of 9 minutes.
Since Restaurant 1 has a lower range, it indicates that its delivery times are more consistent compared to Restaurant 2.
Conclusion: Restaurant 1 is more consistent because the range of its delivery times is lower than that of Restaurant 2.