Solution :
The term 'literacy rate' provides the ability of a person who is from a definite age group can read or write.
a).
does not determine the rate at which the variable explains another, but it explains the amount the amount of variability in one of the variables as explained by the other variable.
b). The slope given provides an expected improvement but it cannot guarantee the improvement. The value may be less or it could be more also.
The regression model provides the prediction and not the actual values.
I don't know about the first one but for the second one:

The more expensive bike could be a bigger size so in stead of being a 20 inch it could be a 24 inch, another option is that one bike is made by a lower brand name company hile the expensive one is a better well know company so in that case the extra $100 is just a added price for the name. Last option is one's on sell and ones not. I hope this helped! :)
Answer:
I think your gonna have to do this one on your own because this is a whole experiment. Just saying. :)
Step-by-step explanation:
Answer:
Fraction: 5/6
Step-by-step explanation:
(1/2) / (3/5) = 1/2 X 5/3 = 0.83333333333