For parts a and b, use the t tables, software, or a calculator to estimate. For parts c and d, use software or a calculator to estimate. a) the critical value of t for a 90% confidence interval with df=25. b) the critical value of t for a 99% confidence interval with df=89. c) the P-value for t≥1.38 with 4 degrees of freedom. d) the P-value for t>1.41 with 25 degrees of freedom. LOADING... Click the icon to view the t table. a) What is the critical value of t for a 90% confidence interval with df=25? nothing (Round to two decimal places as needed.) b) What is the critical value of t for a 99% confidence interval with df=89? nothing (Round to two decimal places as needed.) c) What is the P-value for t≥1.38 with 4 degrees of freedom? nothing (Round to three decimal places as needed.) d) What is the P-value for t>1.41 with 25 degrees of freedom? nothing (Round to three decimal places as needed.)
For parts a and b, use the t tables, software, or a calculator to estimate. For parts c and d, use software or a calculator to estimate. a) the critical value of t for a 90% confidence interval with df=25. b) the critical value of t for a 99% confidence interval with df=89. c) the P-value for t≥1.38 with 4 degrees of freedom. d) the P-value for t>1.41 with 25 degrees of freedom. LOADING... Click the icon to view the t table. a) What is the critical value of t for a 90% confidence interval with df=25? nothing (Round to two decimal places as needed.) b) What is the critical value of t for a 99% confidence interval with df=89? nothing (Round to two decimal places as needed.) c) What is the P-value for t≥1.38 with 4 degrees of freedom? nothing (Round to three decimal places as needed.) d) What is the P-value for t>1.41 with 25 degrees of freedom? nothing (Round to three decimal places as needed.)
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
For parts a and b, use the t tables, software, or a calculator to estimate. For parts c and d, use software or a calculator to estimate.
a) the critical value of t for a
90%
confidence interval with
df=25.
b) the critical value of t for a
99%
confidence interval with
df=89.
c) the P-value for
t≥1.38
with
4
degrees of freedom.d) the P-value for
t>1.41
with
25
degrees of freedom.LOADING...
a) What is the critical value of t for a
90%
confidence interval with
df=25?
nothing
(Round to two decimal places as needed.)b) What is the critical value of t for a
99%
confidence interval with
df=89?
nothing
(Round to two decimal places as needed.)c) What is the P-value for
t≥1.38
with
4
degrees of freedom?nothing
(Round to three decimal places as needed.)d) What is the P-value for
t>1.41
with
25
degrees of freedom?nothing
(Round to three decimal places as needed.)
Transcribed Image Text:Two-tail probability
One-tail probability
0.20
0.10
0.05
0.02
0.01
0.10
0.05
0.025
0.01
0.005
Confidence levels
80%
90%
95%
98%
99%
df
df
Table T
Values of t.
63.657
9.925
1
3.078
6.314
12.706
31.821
1
6.965
4.541
2
1.886
2.920
4.303
3
1.638
2.353
3.182
2.776
5.841
3
4
1.533
2.132
3.747
4.604
4
1.476
2.015
2.571
3.365
4.032
1.943
1.895
6
1.440
2.447
3.143
3.707
6
7
1.415
2.365
2.998
3.499
7
1.860
1.833
1.397
2.306
2.896
3.355
8
1.383
2.262
2.821
3.250
Two tails
10
1.372
1.812
2.228
2.764
3.169
10
11
1.363
1.796
2.201
2.718
3.106
3.055
11
12
1.356
1.782
2.179
2.681
12
13
1.350
1.771
2.160
2.650
3.012
13
14
1.345
1.761
2.145
2.624
2.977
14
15
1.341
1.753
2.131
2.602
2.947
15
2.583
2.921
2.898
16
1.337
1.746
2.120
16
1.333
1.330
1.740
1.734
One tail
17
2.110
2.567
17
18
2.101
2.552
2.878
18
19
1.328
1.729
2.093
2.539
2.861
19
20
1.325
1.725
2.086
2.528
2.845
20
21
1.323
1.721
2.080
2.518
2.831
21
Print
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