1. you use a line of best fit for a set of data to make a prediction about an unknown number value. the correlation coefficient for your data is 0.109. how confident can you be that your predicted value will be reasonably close to the actual value.
a, i cant be confident at all
b. i can be a little confident
c. i can be very confident
d. i can be certain

2. for the data in the table does y vary directly with x. if ir does write an equation for the direct vatriation. table is x3 y6 x6 y18 x8 y24

a. yes y=2x
b yes y=3x
c. yes y=4x
d. no y does not vary with x