Answer:
Following are the responses to the given question:
Step-by-step explanation:
For point a:
Following are the null and alternative hypotheses:
For point b:
By using the Excel we obtained the output of the 2 sample t-test that is defined in the attached file.
These point estimately are the difference among the mean for the two populations:

Answer:
58 divided by 16 equals 3.625 so I would just say 3 times because 16 times 3 is 48 and that's as close as you get to 56
Answer:
Triangles are 2D shapes and Pyramids are 3D shapes
Step-by-step explanation:
Answer:
The answer is A. If not then I'm sorry ☹
How To Solve It:
$13.76 x 0.07 = $0.96
$13.76 + $0.96 = $14.72
Answer:
$14.72
I hope this helps! :)