A survey asks respondents to rate their political views on a seven-point scale, where 1 = extremely liberal, 4 = moderate, and 7 = extremely conservative. Use the output shown below to complete parts a through c. Click the icon to view the t-distribution table. Variable Polviews a. Construct the 95% confidence interval from the other information provided. ☐<<0 (Round to two decimal places as needed.) n 1041 Mean StDev 4.68 1.12 SE Mean 0.0347
A survey asks respondents to rate their political views on a seven-point scale, where 1 = extremely liberal, 4 = moderate, and 7 = extremely conservative. Use the output shown below to complete parts a through c. Click the icon to view the t-distribution table. Variable Polviews a. Construct the 95% confidence interval from the other information provided. ☐<<0 (Round to two decimal places as needed.) n 1041 Mean StDev 4.68 1.12 SE Mean 0.0347
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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Transcribed Image Text:A survey asks respondents to rate their political views on a seven-point scale, where 1 = extremely liberal, 4 = moderate, and 7 = extremely conservative. Use the output shown below to complete
parts a through c.
Click the icon to view the t-distribution table.
Variable
Polviews
a. Construct the 95% confidence interval from the other information provided.
< p <
(Round to two decimal places as needed.)
n
1041
Mean
4.68
StDev
1.12
SE Mean
0.0347
Transcribed Image Text:□
TABLE B t Distribution Critical Values
df
1
2
3
4
5
6
7
8
9
10
||
12
13
14
15
16
80%
t,100
3.078
1.886
1.638
1.533
1.476
1.440
1.415
1.397
1.383
1.372
1.363
1.356
1.350
1.345
1.341
1.337
90%
t.050
Confidence Level
95%
6.314
2.920
2.353
2.132
2.015
1.943
1.895
1.860
1.833
1.812
1.796
1.782
1.771
1.761
1.753
1.746
Right-Tail Probability
98%
t.025
t.010
12.706 31.821
4.303
6.965
3.182
4.541
2.776
3.747
2.571
3.365
2.447
3.143
2.365
2.998
2.306
2.896
2.262
2.821
2.228
2.764
2.201
2.718
2.179
2.681
2.160
2.650
2.145
2.624
2.131
2.602
2.120
2.583
99%
t.005
63.656
9.925
5.841
4.604
4.032
3.707
3.499
3.355
3.250
3.169
3.106
3.055
3.012
2.977
2.947
2.921
99.8%
t.001
318.289
22.328
10.214
7.173
5.894
5.208
4.785
4.501
4.297
4.144
4.025
3.930
3.852
3.787
3.733
3.686
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