(a)
To find: the equation of the least-squares regression line.
(a)
Answer to Problem 33E
Explanation of Solution
Given:
Calculation:
General equation for the least square regression line
The calculated of the constant
The calculated of the slope
Putting the value of
Where x shows the square root of the length and y shows the period.
Where
(b)
To Explain: the prediction of a pendulum with length of 80 cm using the part (a)
(b)
Answer to Problem 33E
1.7923 seconds
Explanation of Solution
Given:
Calculation:
From the part (a)
Where
Putting the value of pendulum length in the equation
Therefore the expected period is 1.7923 seconds.
Chapter 12 Solutions
PRACTICE OF STATISTICS F/AP EXAM
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