confidence interval of the difference
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Can you help me with the:
1.mean difference, show how it was calculated
2.confidence interval of the difference
Transcribed Image Text:Female
Height
X-mean (X-mean)?
Male
Height
X-mean (X-mean)?
1
150
-4.95
24.50
1
164
-5.26
27.67
2
155
0.05
0.00
2
167.64
-1.62
2.62
162.56
7.61
57.91
165.10
-4.16
17.31
4
147.30
-7.65
58.52
4
169
-0.26
0.07
152.40
-2.55
6.50
165.10
-4.16
17.31
154.94
-0.01
0.00
177.80
8.54
72.93
7
165
10.05
101.00
7
154.94
-14.32
205.06
8
150
-4.95
24.50
158
3.05
9.30
8
164
-5.26
27.67
10
149.86
-5.09
25.91
9.
170
0.74
0.55
11
150
-4.95
24.50
10
168
-1.26
1.59
12
149
-5.95
35.40
11
170
0.74
0.55
13
150
-4.95
24.50
12
178
8.74
76.39
14
149
-5.95
35.40
13
179
9.74
94.87
15
155.45
0.5
0.25
14
177
7.74
59.91
16
154.94
-0.01
0.00
Total:
2369.58
-0.06
604.48
17
156
1.05
1.10
Mean:
169.26
18
162
7.05
49.70
19
155
0.05
0.00
20
168
13.05
170.30
Variance:
46.50
21
143
-11.95
142.80
Standard deviation:
6.82
22
150
-4.95
24.50
DEGREE OF FREEDOM:
23
157.48
2.53
6.40
24
144.78
-10.17
103.43
df = (41-1) + (14-1)
df = 40 + 13
25
162
7.05
49.70
df =53
26
156
1.05
1.10
27
149
-5.95
35.40
28
160
5.05
25.50
29
165
10.05
101.00
30
168
13.05
170.30
31
149
-5.95
35.40
32
160.02
5.07
25.70
33
162
7.05
49.70
34
145
-9.95
99.00
35
153
-1.95
3.80
36
152.4
-2.55
6.50
37
150
-4.95
24.50
38
165
10.05
101.00
39
154.94
-0.01
0.00
40
159
4.05
16.40
41
153
-1.95
3.80
Total:
6353.07
0.12
1675.31
Mean:
154.95
Variance:
41.88
Standard deviation:
6.47
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps with 4 images
Recommended textbooks for you
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman