Answer:
Given:
n = 15
c = 95% = 0.95
Let us assume:
α = 0.05
Determine the difference in value of each pair.
→See attached for the table←
→See attached for the for the workings←
Result
a) There is sufficient evidence to reject the claim that the two methods provide the same mean value for natural vibration frequency.
b) (-10.9646, -0.0068)
Using the factor theorem, it is found that the polynomial is:
Given by the first option
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Given a polynomial f(x), this polynomial has roots using the factor theorem it can be written as:
, in which a is the leading coefficient.
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In this question:
Thus:
Which is the polynomial.
A similar problem is given that: brainly.com/question/4786502