Answer: 11.4
Step-by-step explanation:
change to numbers 
simplify 
Answer:
(B) (0.396, 1.712)
Step-by-step explanation:
From the information given;
Confidence Interval = 0.95
Significance Level 
The confidence interval for regression coefficient beta (whereby in this case it is the coefficient of the diameter) is expressed by:
= 
From the regression coefficient, the estimated value of beta^ = 1.054


Answer:
D.) Right
Explanation:
A.) An obtuse triangle is where one of the internal angles is obtuse (greater than 90 degrees).
B.) An acute triangle is a triangle with three acute angles (less than 90°).
C.) A right triangle is where one of its interior angles is a right angle (90 degrees).
D.) An equiangular triangle is a triangle where all three interior angles are equal in measure.