The mean of cow manure with mashed bananas is always more than the mean of only cow manure in any country. Then the correct option is B.
What is Mean?
Mean is simply defined as the average of the given set of numbers. The mean is considered as one of the measures of central tendencies in statistics. The mean is said to be an arithmetic mean. It is the ratio of the sum of the observation to the total number of observations.
Vector performed an experiment at a local farm to determine if the addition of bananas to his biomass cow manure recipes helps produce more or less energy.
He collected random samples of manure and bananas from the farm, prepared 15 bottles of each of both mixtures, and placed a balloon on top of each bottle.
After two weeks he measured the circumference of each ballon in centimeters; the bigger the balloon grew, the more energy that was produced.
The mean of cow manure will be
[tex]\rm M _{c} = \dfrac{10+11+13+13+14+15+15+15+18+18+19+20+22+25+26}{15}\\\\M_c = \dfrac{254}{15}\\\\M_c = 16.93[/tex]
The mean of cow manure with mashed banana will be
[tex]\rm M_{cb} = \dfrac{22+22+26+29+30+31+36+36+38+39+43+46+46+49+50}{15}\\\\M_{cb} = \dfrac{543}{15}\\\\M_{cb} = 36.2[/tex]
The mean of cow manure with mashed bananas is more than the mean of only cow manure.
More about the mean link is given below.
https://brainly.com/question/521501