The accompanying data represent the total travel tax (in dollars) for a 3-day business trip in 8 randomly selected cities. A normal probability plot suggests the data could come from a population that is normally distributed. are no outliers. Complete parts (a) through (c) below. boxplot indicates th 67.82 78.08 69.71 83.48 79.56 87.13 100.69 99.76 Click the icon to view the table of critical t-values. (a) Determine a point estimate for the population mean travel tax. A point estimate for the population mean travel tax is $. (Round to two decimal places as needed.)
The accompanying data represent the total travel tax (in dollars) for a 3-day business trip in 8 randomly selected cities. A normal probability plot suggests the data could come from a population that is normally distributed. are no outliers. Complete parts (a) through (c) below. boxplot indicates th 67.82 78.08 69.71 83.48 79.56 87.13 100.69 99.76 Click the icon to view the table of critical t-values. (a) Determine a point estimate for the population mean travel tax. A point estimate for the population mean travel tax is $. (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
Related questions
Question
Question #5 Part A
Transcribed Image Text:The accompanying data represent the total travel tax (in dollars) for a 3-day business trip in 8 randomly selected cities. A normal probability plot suggests the data could come from a population that is normally distributed. A boxplot indicates there
are no outliers. Complete parts (a) through (c) below.
67.82
78.08
69.71
83.48
79.56
87.13
100.69
99.76
Click the icon to view the table of critical t-values.
.....
(a) Determine a point estimate for the population mean travel tax.
A point estimate for the population mean travel tax is $
(Round to two decimal places as needed.)
Transcribed Image Text:- Area in
Tight tail
t-Distribution
Area in Right Tail
Degrees of
Freedom
0.25
0.20 0,15
0.10
0.05 0.025
0.02
0.01 0.005 0.0025
0.001 0.0005
127321
6 065 025 14.080
7453
1.000
1.967
1061 1386
0.978 1250 1638
0 041 1.190 1533
0,920 1.156 1476 2015
1376
3.078
15.804
31.821
63657
318 300 636 619
2.920 4.303
2.353 3.182
2132 2776
22.327 31.00
12.924
8.610
6.869
0816
1.886
4.849
3.482
2 00
O765
4.541
3.747
3.365
10.215
7173
5841
4.604
0.727
2.757
4.032
4.773
5.893
4.317
4.02
3.833
5.959
5.408
5.041
0.718
3,707
3.499
3,355
3.250
3.169
5.20
4.785
4.50
4.29
4.144
0.006 1.134 1.440
1.043
2.447
2.612
3.143
0.806 1.11g
1.415
1.397
1.383
2.517
2.449
0.711
1.895
2.365
2.998
2.896
2.821
2.764
0.706
0.703
0.889 1.106
0 883 1.100
1.833
1.812
2.398
3.69
4.781
0.879 1.093
1.372
2.359
3.58
4.587
0.697
0.876 1.088
2.201
2.328
2.718
3.106
3.49"
4.025
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0.695
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3.965
3.922
3.883
2.898
3.227
528
3.153
3.552
3.850
3.135
3 527
3,819
3.119
3.505
3.485
3.467
3.450
3.792
3.768
1.318
3.09
3.075
3.745
1.316
3.725
0.856 1.058
1.315
3.067
3.435
3.707
3.05.
1.314
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0,854 1.05s
1310
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300
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O853 1053
1057
1.309
2.738
3356
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3,611
1.308
1300
2.441
3.60
2438
2.006
3.340
3.591
2.434
2.000
3.333
2.985
2.980
2.976
2.971
3.582
3.574
3.566
3.558
3.551
3326
2.426
2.423
3.319
3.313
3.307
1.303
2.704
0.679
2.678
2.93"
1.047
0.849
0.848 1.04S
1.299
2.109
2.403
3.261
3.496
0.679
1.296
1671
2.099
2.390
2.660
2.915
O 846
120
100
2 08
2.374
2 630
2 88
3 105
3416
0677
0.846 1.042
1.662
1.987
1 984
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1.291
2.084
2.368
2.632
2.878
3.183
3.402
0.677
0 845
1047
1.290
1.660
1.646
1.645
2.081
2364
2626
2.871
3.174
3.098
3.090
3.390
3.300
3,291
0.675
0,842 1.037
0,842
1.036
1.282
1.282
2.056
2.054
2.330
2.581
2.326 2,576
2.81.
2.80
1.960
Degrees of 0.25
0.20 0.15
0.10
0.05
0.025
0.02
0.01 0.005 0.0025
0.001 0.0005
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t-Distribution
Area in Right Tail
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