Answer:
Option B
Step-by-step explanation:
As per the question:
The variance of the 48 Econ 202, = 16 inches
The variance of 63 Econ 203 = 14 inches
Now, to test the variance of two populations:
For 48 Econ 202:

For 63 Econ 203:

On comparing the two, the test statistics is given by;
F = 
F = 
You have to solve using the graph as it says solve graphically
43. 125 milliliters
45. 9 tsp
49. 6 tsp
That would be = -p^2+4p+4
Answer:
1 2/7
Step-by-step explanation:
4.5:3 1/2
45/10 ÷ 7/2
45/10 x 2/7
90/70=9/7
=1 2/7