n.n.Critical Values of the t-Distribution0.400.300.200.150.100.050.02510.3250.7271.3761.9633.0786.31412.7062.9204.3033.1822.7760.2890.6171.0611.3861.88630.2770.5840.9781.2501.6382.3530.2710.5690.9411.1901.5332.1320.2670.5590.9201.1561.4762.0152.57160.2650.5530.9061.1341.4401.9432.4472.3652.3060.2630.5490.8961.4151.3971.1191.8950.8890.88380.2620.5461.1081.8600.5430.5420.2611.1001.3831.8332.262100.2600.8791.0931.3721.8122.2280.2601.7961.7822.2012.179110.5400.8761.0881.363120.2590.5390.8731.0831.3560.2590.2580.2580.8700.8680.8661.0791.0761.3501.345130.5381.7711.7611.7532.1602.1452.131140.537150.5361.0741.3410.5350.8652.1200.2580.2571.0711.3371.333161.7461.0691.067170.5340.8631.7402.1100.2570.2571.7342.1010.5340,5331.3301.328180.8622.0932.086190.8611.0661.729200.2570.5330.8601.0641.3251.7252.0802.0742.0692.0640.2570.5320.5321.0631.0611.7211.717210.8591.3230.2560.8581.3211.319220.8580.857230.2560.5321.0601.7141.7111.708240.2560.5311.0591.318250.2560.5310.8561.0581.3162.060260.2560.5310.8561.0581.3151.7062.056270.2560.5310.8551.0571.3141.7032.052PrintDone The following data represent the length of time, in days, to recovery for patients randomly treated with one of two medications to clear up severe bladder infections. Find a 95% confidence interval for the difference u, - H, between in the meanrecovery times for the two medications, assuming normal populations with equal variances.Medication 1n, = 19X1= 13= 1.5Medication 2n2 = 10X2= 182= 1.1SClick here to view page 1 of the table of critical values of the t-distribution.Click here to view page 2 of the table of critical values of the t-distribution.The confidence interval is<(Round to two decimal places as needed.)

The pooled variance is obtained below: Substitute the value of standard deviation (s1) is 1.5 and…

The following data represent the length of time, in days, to recovery for patients randomly treated with one of two medications to clear up severe bladder infections. Find a 95% confidence interval for the difference 2 -H, between in the mean recovery times for the two medications, assuming normal populations with equal variances. n, = 19 s= 1.5 Medication 1 X, = 13 Medication 2 X2 = 18 Click here to view page 1 of the table of critical values of the t-distribution. Click here to view page 2 of the table of critical values of the t-distribution. n2 = 10 s = 1.1 The confidence interval is <42-H<. (Round to two decimal places as needed.)

The following data represent the length of time, in days, to recovery for patients randomly treated with one of two medications to clear up severe bladder infections. Find a 95% confidence interval for the difference 2 -H, between in the mean recovery times for the two medications, assuming normal populations with equal variances. n, = 19 s= 1.5 Medication 1 X, = 13 Medication 2 X2 = 18 Click here to view page 1 of the table of critical values of the t-distribution. Click here to view page 2 of the table of critical values of the t-distribution. n2 = 10 s = 1.1 The confidence interval is <42-H<. (Round to two 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

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Question

n.
n.
Critical Values of the t-Distribution
0.40
0.30
0.20
0.15
0.10
0.05
0.025
1
0.325
0.727
1.376
1.963
3.078
6.314
12.706
2.920
4.303
3.182
2.776
0.289
0.617
1.061
1.386
1.886
3
0.277
0.584
0.978
1.250
1.638
2.353
0.271
0.569
0.941
1.190
1.533
2.132
0.267
0.559
0.920
1.156
1.476
2.015
2.571
6
0.265
0.553
0.906
1.134
1.440
1.943
2.447
2.365
2.306
0.263
0.549
0.896
1.415
1.397
1.119
1.895
0.889
0.883
8
0.262
0.546
1.108
1.860
0.543
0.542
0.261
1.100
1.383
1.833
2.262
10
0.260
0.879
1.093
1.372
1.812
2.228
0.260
1.796
1.782
2.201
2.179
11
0.540
0.876
1.088
1.363
12
0.259
0.539
0.873
1.083
1.356
0.259
0.258
0.258
0.870
0.868
0.866
1.079
1.076
1.350
1.345
13
0.538
1.771
1.761
1.753
2.160
2.145
2.131
14
0.537
15
0.536
1.074
1.341
0.535
0.865
2.120
0.258
0.257
1.071
1.337
1.333
16
1.746
1.069
1.067
17
0.534
0.863
1.740
2.110
0.257
0.257
1.734
2.101
0.534
0,533
1.330
1.328
18
0.862
2.093
2.086
19
0.861
1.066
1.729
20
0.257
0.533
0.860
1.064
1.325
1.725
2.080
2.074
2.069
2.064
0.257
0.532
0.532
1.063
1.061
1.721
1.717
21
0.859
1.323
0.256
0.858
1.321
1.319
22
0.858
0.857
23
0.256
0.532
1.060
1.714
1.711
1.708
24
0.256
0.531
1.059
1.318
25
0.256
0.531
0.856
1.058
1.316
2.060
26
0.256
0.531
0.856
1.058
1.315
1.706
2.056
27
0.256
0.531
0.855
1.057
1.314
1.703
2.052
Print
Done

The following data represent the length of time, in days, to recovery for patients randomly treated with one of two medications to clear up severe bladder infections. Find a 95% confidence interval for the difference u, - H, between in the mean
recovery times for the two medications, assuming normal populations with equal variances.
Medication 1
n, = 19
X1
= 13
= 1.5
Medication 2
n2 = 10
X2
= 18
2
= 1.1
S
Click here to view page 1 of the table of critical values of the t-distribution.
Click here to view page 2 of the table of critical values of the t-distribution.
The confidence interval is
<
(Round to two decimal places as needed.)

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