To test Ho = 20 versus H₁ u<20, a simple random sample of size n = 16 is obtained from a population that is known to be normally distributed Answer parts (a)-(d). Click here to view the t-Distribution Area in Right Tail. (a) If x= 18.4 and s=4.1, compute the test statistic. t= -1.56 (Round to two decimal places as needed) (b) Draw a t-distribution with the area that represents the P-value shaded. Which of the following graphs shows the correct shaded region? V s Q Q (c) Approximate the P-value. Choose the correct range for the P-value below OA. 0.05< P-value <0.10 OB. 0.10
To test Ho = 20 versus H₁ u<20, a simple random sample of size n = 16 is obtained from a population that is known to be normally distributed Answer parts (a)-(d). Click here to view the t-Distribution Area in Right Tail. (a) If x= 18.4 and s=4.1, compute the test statistic. t= -1.56 (Round to two decimal places as needed) (b) Draw a t-distribution with the area that represents the P-value shaded. Which of the following graphs shows the correct shaded region? V s Q Q (c) Approximate the P-value. Choose the correct range for the P-value below OA. 0.05< P-value <0.10 OB. 0.10
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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Solve for C
Transcribed Image Text:To test Ho: μ = 20 versus H₁ μ<20, a simple random sample of size n = 16 is obtained from a population that is known to be normally distributed. Answer parts (a)-(d).
Click here to view the t-Distribution Area in Right Tail.
(a) If x= 18.4 and s=4.1, compute the test statistic.
t = -1.56 (Round to two decimal places as needed.)
(b) Draw a t-distribution with the area that represents the P-value shaded. Which of the following graphs shows the correct shaded region?
A
OC
Q
Q
OA. 0.05 P-value <0.10
OB. 0.10< P-value < 0.15
OC. 0.15<P-value <0.20
OD. 0.20<P-value
< 0.25
***
pro
8.
(c) Approximate the P-value. Choose the correct range for the P-value below.
A
Q
Q
...
G
s
Q
Transcribed Image Text:t-Distribution Area in Right Tail
0
0.25
0.20 0.15
1.000 1.376 1.963 3.078
2
0.816
1.061 1.386
1.250
3
0.765
0.978
4 0.741
0.941
1.190
5
0.727
1.156
6
0.920
0.718 0.906 1.134 1.440 1.943
0.896 1.119
0.711
1.415 1.895
0.706
0.889
1.108
1.397
1.860
1.100
1.383
1.833
0.879 1.093
1.372 1.812
0.703 0.883
0.700
0.697 0.876
0.695 0.873
0.870
0.692 0.868
0.691
0.866
df
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9
11
12
13 0.694
14
15
16
17
18
19
20
21
22
0.690 0.865
0.689 0.863
0.688 0.862
0.688 0.861
0.687 0.860
0.686 0.859
0.686
0.858
1.088 1.363 1.796
1.083
1.356
1.782
1.079 1.350
1.771
1.076 1.345
1.761
1.074
1.341
1.753
0.10 0.05
0.025
6.314 12.706
1.886 2.920 - 4.303
3.182
3.482
1.638 2.353
2.132
1.533
2.776 2.999
1.476 2015
2571
2.757
1,071 1.337 1.746
1.333 1.740
1.069
1.067
1.330
1.734
1.066
1.328
1.729
1.064
1.325
1.725
1.063
1.061
1-Distribution
Area in Right Tail
1.323 1.721
1.321
1.717
2.447
2.365
2.306
2.262
2.228
2.201
2.179
2.160
2.145
2.131
2,120
2.110
2.101
2.093
2.086
2.080
2.074
0.02
15.894 31.821
4.849
6.965
4.541
3.747
3.365
2.612
3.143
2.517 2.998
2.449
2.896
2.398 2.821
2.359
2.764
2.328
2.718
2.303 2.681
2.282
2.650
2.264 2.624
2.249
2.602
2.189
2.183
2012
0.005
63.657
9.925
2518
2.508
5.841
4.604
4.032
2.235
2.583
2.921
2.224 2.567 2.898
2.214
2.552 2.878
2.205
2.539
2.861
2.197
2528
2.845
3.707
3.499
3.355
3.250
3.169
3.106
3.055
3.012
2.977
2.947
2.831
2.819
0.0025
127.321
14.089
7.453
5.598
4.773
4.317
4.029
3.833
3.690
3.581
3.497
3.428
3.372
3.326
3.286
3.252
3.222
3.197
3.174
3.153
3.135
3.119
0.001
318.309
22.327
10.215
7.173
5.893
5.208
4.785
4.501
4.297
4.144
4.025
3.930
3.852
3.787
3.733
3.686
3.646
3.610
3.579
3.552
3.527
3.505
0.0005
636.619
31.599
12.924
8.610
6.869
5.959
5.408
5.041
4.781
4.587
4.015
3.965
3.922
3,883
3.850
df
3.819
3.792
12345 CDXARMARA BAADA
4.437
4.318
4.221
4.140
4.073 15
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