The Basic Practice of Statistics
8th Edition
ISBN: 9781319042578
Author: David S. Moore, William I. Notz, Michael A. Fligner
Publisher: W. H. Freeman
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Chapter 8.3, Problem 6AYK
To determine
To create: The sample of four apartments at random for in-depth interviews with residents using Simple Random Applet.
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Consider the time series X₁ and Y₁ = (I – B)² (I – B³)Xt. What transformations were
performed on Xt to obtain Yt?
seasonal difference of order 2
simple difference of order 5
seasonal difference of order 1
seasonal difference of order 5
simple difference of order 2
Calculate the 90% confidence interval for the population mean difference using the data in the attached image. I need to see where I went wrong.
Microsoft Excel snapshot for random sampling: Also note the formula used for the last
column
02
x✓ fx =INDEX(5852:58551, RANK(C2, $C$2:$C$51))
A
B
1
No.
States
2
1
ALABAMA
Rand No.
0.925957526
3
2
ALASKA
0.372999976
4
3
ARIZONA
0.941323044
5
4 ARKANSAS
0.071266381
Random Sample
CALIFORNIA
NORTH CAROLINA
ARKANSAS
WASHINGTON
G7
Microsoft Excel snapshot for systematic sampling:
xfx INDEX(SD52:50551, F7)
A
B
E
F
G
1
No.
States
Rand No. Random Sample
population
50
2
1 ALABAMA
0.5296685 NEW HAMPSHIRE
sample
10
3
2 ALASKA
0.4493186 OKLAHOMA
k
5
4
3 ARIZONA
0.707914 KANSAS
5
4 ARKANSAS 0.4831379 NORTH DAKOTA
6
5 CALIFORNIA 0.7277162 INDIANA
Random Sample
Sample Name
7
6 COLORADO 0.5865002 MISSISSIPPI
8
7:ONNECTICU 0.7640596 ILLINOIS
9
8 DELAWARE 0.5783029 MISSOURI
525
10
15
INDIANA
MARYLAND
COLORADO
Chapter 8 Solutions
The Basic Practice of Statistics
Ch. 8.1 - Prob. 1AYKCh. 8.1 - Prob. 2AYKCh. 8.1 - Prob. 3AYKCh. 8.2 - Prob. 4AYKCh. 8.2 - Prob. 5AYKCh. 8.3 - Prob. 6AYKCh. 8.3 - Prob. 7AYKCh. 8.3 - Prob. 8AYKCh. 8.4 - Prob. 9AYKCh. 8.4 - Prob. 10AYK
Ch. 8.5 - Prob. 11AYKCh. 8.5 - Prob. 12AYKCh. 8.6 - Prob. 13AYKCh. 8.6 - Prob. 14AYKCh. 8.7 - Prob. 15AYKCh. 8.7 - Prob. 16AYKCh. 8 - Prob. 8.17CYSCh. 8 - Prob. 8.18CYSCh. 8 - Prob. 8.19CYSCh. 8 - Prob. 8.20CYSCh. 8 - Prob. 8.21CYSCh. 8 - Prob. 8.22CYSCh. 8 - Prob. 8.23CYSCh. 8 - Prob. 8.24CYSCh. 8 - Prob. 8.25CYSCh. 8 - Prob. 8.26ECh. 8 - Prob. 8.27ECh. 8 - Prob. 8.28ECh. 8 - Prob. 8.29ECh. 8 - Prob. 8.30ECh. 8 - Prob. 8.31ECh. 8 - Prob. 8.32ECh. 8 - Prob. 8.33ECh. 8 - Prob. 8.34ECh. 8 - Prob. 8.35ECh. 8 - Prob. 8.36ECh. 8 - Prob. 8.37ECh. 8 - Prob. 8.38ECh. 8 - Prob. 8.39ECh. 8 - Prob. 8.40ECh. 8 - Prob. 8.41ECh. 8 - Prob. 8.42ECh. 8 - Prob. 8.43ECh. 8 - Prob. 8.44ECh. 8 - Prob. 8.45ECh. 8 - Prob. 8.46ECh. 8 - Prob. 8.47ECh. 8 - Prob. 8.49ECh. 8 - Prob. 8.50E
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