A graphing calculator working the quadratic regression problem for these three points gives the equation as
y = 2x² +7x -5
Doing the same onee i need help!!
please
Answer:
a summary is an average and an average is mean
Step-by-step explanation:
to get the mean add all the cakes sold together then divide by number of years
21+28+19+26+21=115
115/5=23
so....
first one: mean
second one: 23
16/25 because there are 3 face cards which have 4 different suits and 4 different suits for the number 6