Question
In: Statistics and Probability
Flight 1 -2 -1 -2 2 -2 0 -2 -3 Flight 19 19 -4 -5 -1...
| Flight 1 | -2 | -1 | -2 | 2 | -2 | 0 | -2 | -3 |
| Flight 19 | 19 | -4 | -5 | -1 | -4 | 73 | 0 | 1 |
| Flight 21 | 18 | 60 | 142 | -1 | -11 | -1 | 47 | 13 |
Use a 0.05 significance level to test the claim that the different flights have the same mean departure delay time.
What is the critical value (F-value)? [Round to 4 decimal places]
Solutions
Expert Solution
F critical = 3.4668
As we fail to reject H0, we conclude that the claim is true that different flights have the same mean departure delay time.
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orchestra answered 1 year agoRelated Solutions
Flight 1 -2 -1 -2 2 -2 0 -2 -3 Flight 19 19 -4 -5 -1...
Flight 1
-2
-1
-2
2
-2
0
-2
-3
Flight 19
19
-4
-5
-1
-4
73
0
1
Flight 21
18
60
142
-1
-11
-1
47
13
Listed below are departure delay times (minutes) for american
Airline flights from New York to Los Angeles. Negative values
correspond to flights that departed early.
Use a 0.05 significance level to test the claim
that the different flights have the same mean departure delay
time.What is the critical value (F-value)?...
exampleInput.txt 1 2 3 0 2 3 4 0 1 3 5 0 1 2 6...
exampleInput.txt
1 2 3
0 2 3 4
0 1 3 5
0 1 2 6
1 5 6 8
2 4 6 7
3 4 5 9 10
5 8 9
4 7 9
6 7 8
6
How can I detect when 'cin' starts reading from a new line. The
amount of numbers in each row is unknown. I need them in type 'int'
to use the data.
DATA 3 8 2 15 2 2 0 0 4 5 2 7 0 1 5...
DATA
3
8
2
15
2
2
0
0
4
5
2
7
0
1
5
3
0
2
5
4
1
6
9
5
3
1
2
10
6
1
1
2
1
19
6
6
6
7
0
4
1
1
1
0
1
9
2
2
2
1
16
10
10
5
2
3
1
4
4
4
3
6
2
8
5
2
7
1
6
4
0
3
1
1
1
Background:
A group of...
x (Bins) frequency 0 0 1 0 2 0 3 2 4 5 5 8 6...
x (Bins)
frequency
0
0
1
0
2
0
3
2
4
5
5
8
6
13
7
33
8
42
9
66
10
77
11
105
12
103
13
110
14
105
15
84
16
70
17
51
18
40
19
27
20
27
21
15
22
5
23
7
24
2
25
2
26
1
27
0
28
0
29
0
30
0
(7) On the Histogram worksheet, calculate all
frequencies of the distribution using the table shown....
Find the distances: A) Between ?1=〈2+2?,−1+?,−3?〉and ?2=〈4,−5−3?,1+4?〉 . B) Between the planes 2?−?+5?=0 and 2?−?+5?=5 ....
Find the distances:
A) Between ?1=〈2+2?,−1+?,−3?〉and ?2=〈4,−5−3?,1+4?〉 .
B) Between the planes 2?−?+5?=0 and 2?−?+5?=5 .
C) From the point (1,2,3) to the line ?=〈−?,4−?,1+4?〉 .
A = （1 −7 5 0 0 10 8 2 2 4 10 3 −4 8...
A =
（1 −7 5 0
0 10 8 2
2 4 10 3
−4 8 −9 6）
(1) Count the number of rows that contain negative
components.
(2) Obtain the inverse of A and count the number of columns that
contain even number of positive components.
(3) Assign column names (a,b,c,d) to the columns of A.
(4) Transform the matrix A into a vector object a by stacking
rows.
(5) Replace the diagonal components of A with (0,0,2,3). Hint:...
Given the following dataset x 1 1 2 3 4 5 y 0 2 4 5 ...
Given the following dataset x 1
1 2 3 4 5
y 0 2 4
5 5 3
We want to test the claim that there is a correlation between
xand y. The level of cretaine phosphokinase (CPK) in blood samples
measures the amount of muscle damage for athletes. At Jock State
University, the level of CPK was determined for each of 25 football
players and 15 soccer players before and after practice. The two
groups of athletes are trained...
Given the following dataset x 1 1 2 3 4 5 y 0 2 4 5...
Given the following dataset
x
1
1
2
3
4
5
y
0
2
4
5
5
3
We want to test the claim that there is a correlation between
xand y.
(a) What is the null hypothesis Ho and the alternative
hypothesis H1?
(b) Using α= 0.05, will you reject Ho? Justify your answer by
using a p-value.
(c) Base on your answer in part (b), is there evidence to
support the claim?
(d) Find r, the linear correlation...
A= 1 2 4 0 1 -2 -1 0 1 2 0 3 8 1 4...
A=
1
2
4
0
1
-2
-1
0
1
2
0
3
8
1
4
. Let W denote the row space for A.
(a) Find an orthonormal basis for W and for W⊥.
(b) Compute projW⊥(1 1 1 1 1 ).
first matrix A [ 2 -1 3 ] [-4 0 -2 ] [2 -5 12 ]...
first matrix A
[ 2 -1 3 ]
[-4 0 -2 ]
[2 -5 12 ]
[4 0 4 ]
amd b
[2]
[-2]
[5]
[0]
solve for Ax=b
using tan LU factorization of A
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