The computed chi-square value is positive because the difference between the observed and expected frequencies is
1 answer:
You might be interested in
<h3>Answer:</h3>
A. 3
<h3>Step-by-step explanation:</h3>Fill in the given values in the formula (h=0, r=48) and solve for t.
... 0 = 48t -16t²
... 0 = 16t(3 -t)
This is true for t = 0 and for t = 3.
The ball will take 3 seconds to hit the ground.