Why is the answer 4.07? Please explain to me step by step. Thanks!
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Why is the answer 4.07? Please explain to me step by step. Thanks!

Transcribed Image Text:→
Step 2
Regular
39.31
39.87
39.84
Here,
50,
Hence,
kilometers per
Economy
36.69
number of
& Total number
=
40.00
41.01
level is
Liter
Premium Super premium
38.99
40.02
39.99
⇒ Numenator of degrees of freedom
= df 1 k-1 =
4-1 =3
4.07
& Denominator of degrees of freedom
df 2 n-k= 12-4 = 8
different branda (k)= 4
of
observations (n) = 12
But, given α = 0.05
critical value
40.04
39.89
39.93
of
• 3 numerator of &
•
8 denominator of at 0.05 significance
f with
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