BI-2141
Results tables
Biology · Secondary 4 · Medium · Results tables
A student measures the diameters of clear zones around discs soaked in antibiotic X on three Petri dishes:
Dish 1: 16 mm
Dish 2: 14 mm
Dish 3: 18 mm
What is the mean diameter of the clear zones, to one decimal place?
Dish 1: 16 mm
Dish 2: 14 mm
Dish 3: 18 mm
What is the mean diameter of the clear zones, to one decimal place?
- 15.0 mm
- 15.3 mm
- 16.0 mm
- 16.5 mm
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