Answer:97 rods
Step-by-step explanation:
The number of steel rods for 95% confidence level


E=3

Substituting values


Thus 97 rods is tested
Answer: I think the answer would be 4+2n=60.. might be wrong though
Step-by-step explanation:
All you have to do is divde hope this helps thank ylu
<span>The correct answer is (a) total deviation equals unexplained deviation plus explained deviation.
These deviations are commonly encountered or studied in statistics, and sometimes in regression analysis.</span>
I believe the answer is 1/3