Do you mean like you cant close your 4 because teachers may think its a nine? Or different ways like written, numeraly and all that?
B. The upper quartile is the median of the upper half of the data.
if I am wrong please let me know.
About 95% of rats weight is between 2.5+2 *standard deviation=2.5+2*0.5=2.5+1=3.5 and 2.5-1=1.5 (1.5,3.5).
About 68% of rats weight is between (2.5-1*standard deviation, 2.5+1*standard deviation), (2,3).
This means that about 68 percent of rats in the city weigh between 2 pounds and 3 pounds. (solution b)
