Question

A cereal factory has three machines for dispensing cereal into bags. A test is done in which 8 bags are filled by each machine and the bags are weighed.


The results in grams:




Machine 1: 309, 311.5, 313, 310, 308, 314, 312, 310.5


Machine 2: 310, 309, 314, 311, 309, 314.5, 312.5, 310


Machine 3: 309, 310.5, 313.5, 315.5, 310, 311, 312, 309.5





Which statement is true about the mean output of the three machines?

Answer 1

do you no what a mean is

Answer 2

yes but it said i was wrong