X = first class tickets , y = coach fare tickets
x + y = 42 <== equation about number of tickets sold
80x + 64y + 2880 <== equation about the revenue
Answer:
x= -1, x=1 and x=2
Step-by-step explanation:
The equation is;
Using a graph tool to graph the equation and identify the solution you will have;
x= -1,
x=1
x=2
Check answers
when x=2
Answer:
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Answer:
b. Pearson's correlation can be used in the same way as it is for linear relationships
Explanation:
Pearson's correlation can also be termed "simple linear regression analysis" is a statistical measure used to determine if two numeric variables are significantly linearly related. Pearson's correlation coefficient is used to measures the statistical relationship or association between two continuous variables.
