To construct a confidence interval using the given confidence level, do whichever of the following is appropriate. (a) Find the critical value za /2. (b) find the critical value tg /2, or (c) state that neither the normal nor the t distribution applies. 90%; n= 100; o = 17.0; population appears to be skewed 1 t-table Click here to view a table of critical t-values. Click here to view page 1 of the standard normal table. Click here to view page 2 of the standard normal table. t distribution: Critical t values O A. Za/2 = 2.575 Area in One Tail 0.005 0.05 0.10 0.01 0.025 O B. ta/2 = 2.626 Degrees of Freedom Area in Two Tails 0.05 0.01 0.10 0.20 O C. ta/2 = 1.660 0.02 31.821 6.965 4.541 3.747 3.365 3.143 2.998 2.896 2.821 6.314 2.920 2.353 2.132 2.015 1.943 1.895 1,860 1.833 3.078 1.886 1.638 1.533 1.476 1.440 1.415 1.397 1.383 63.657 12.706 4.303 3.182 2.776 2.571 2.447 2.365 2.306 2.262 O D. Za/2 = 1.645 9.925 5.841 4.604 4.032 3.707 O E. Neither the normal nor the t distribution applies. 6. Click to select your answer and then click Check Answer. 3.499 3.355 8. 3.250
To construct a confidence interval using the given confidence level, do whichever of the following is appropriate. (a) Find the critical value za /2. (b) find the critical value tg /2, or (c) state that neither the normal nor the t distribution applies. 90%; n= 100; o = 17.0; population appears to be skewed 1 t-table Click here to view a table of critical t-values. Click here to view page 1 of the standard normal table. Click here to view page 2 of the standard normal table. t distribution: Critical t values O A. Za/2 = 2.575 Area in One Tail 0.005 0.05 0.10 0.01 0.025 O B. ta/2 = 2.626 Degrees of Freedom Area in Two Tails 0.05 0.01 0.10 0.20 O C. ta/2 = 1.660 0.02 31.821 6.965 4.541 3.747 3.365 3.143 2.998 2.896 2.821 6.314 2.920 2.353 2.132 2.015 1.943 1.895 1,860 1.833 3.078 1.886 1.638 1.533 1.476 1.440 1.415 1.397 1.383 63.657 12.706 4.303 3.182 2.776 2.571 2.447 2.365 2.306 2.262 O D. Za/2 = 1.645 9.925 5.841 4.604 4.032 3.707 O E. Neither the normal nor the t distribution applies. 6. Click to select your answer and then click Check Answer. 3.499 3.355 8. 3.250
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:To construct a confidence interval using the given confidence level, do whichever of the following is appropriate. (a) Find the critical value za /2. (b) find
the critical value tg /2, or (c) state that neither the normal nor the t distribution applies.
90%; n= 100; o = 17.0; population appears to be skewed
1 t-table
Click here to view a table of critical t-values.
Click here to view page 1 of the standard normal table.
Click here to view page 2 of the standard normal table.
t distribution: Critical t values
O A. Za/2 = 2.575
Area in One Tail
0.005
0.05
0.10
0.01
0.025
O B. ta/2 = 2.626
Degrees of
Freedom
Area in Two Tails
0.05
0.01
0.10
0.20
O C. ta/2 = 1.660
0.02
31.821
6.965
4.541
3.747
3.365
3.143
2.998
2.896
2.821
6.314
2.920
2.353
2.132
2.015
1.943
1.895
1,860
1.833
3.078
1.886
1.638
1.533
1.476
1.440
1.415
1.397
1.383
63.657
12.706
4.303
3.182
2.776
2.571
2.447
2.365
2.306
2.262
O D. Za/2 = 1.645
9.925
5.841
4.604
4.032
3.707
O E. Neither the normal nor the t distribution applies.
6.
Click to select your answer and then click Check Answer.
3.499
3.355
8.
3.250
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