below is table C if needed. answer q's 1-31) is it A) -6.4, B)-2.28, C)3.68 or D)-7.92) is it A) <.0005, B) .04>p>.02, C).05>p>.025, or D) <.0013) is it A) the pop. of owls has remained relatively unchaged since 2015, B)the pop. of owls has increased since 2015, or C) the pop. of owls has decreased since 2015. A recent study investigated the population size of burrowing owls in the Imperial Valley. In 2015, a randomsample of 8 sites were selected and the number of burrowing owls were counted. In 2020, the researchersreturned to the same sites and re-surveyed for owls.The data in the table represents the number of owls per site (population size) in 2015 and 2020. The columnlabeled "Difference" = 2020-2015Site20152020 DifferenceA5044-65147-45243-9D3731-6E3631-5F3930-9G4844-4H3733-4Mean:43.837.9-5.9S:7.17.22.1Use the information given to determine if there is evidence of a significant population decrease since2015 and answer the following questions.1. The test-statistic (t) is ( Select ]2. The p-value is [ Select]3. The results of this test confirm that ( Select ]B. TABLEC t distribution critical valuesConfidence level cDegreesof freedom50%60%70%80%90%95%96%98%99%99.5%99.8%99.9%0.816 1.0610.765 0.978 1.250 1.638 2.3530.741 0.941 1.190 1.533 2.1321.000 1.376 1.963 3.078 6.314 12.710 15.890 31.820 63.660 127.30014.0907.4535.598318.300 636.60022.33010.2107.1735.8931.386 1.886 2.9204.3033.1822.7762.5712.4472.3652.3062.2622.2282.2012.1792.1604.8493.4822.9992.7572.6122.5176.9653454.5413.7473.3659.9255.8414.6044.0323.70731.60012.9208.6106.8695.9590.727 0.920 1.156 1.476 2.0150.718 0.906 1.134 1.440 1.9430.711 0.896 1.119 1.415 1.8950.706 0.889 1.108 1.397 1.8600.703 0.883 1.100 1.383 1.8330.700 0.879 1.093 1.372 1.8120.697 0.876 1.088 1.363 1.7960.695 0.873 1.083 1.356 1.7820.694 0.870 1.079 1.350 1.7710.692 0.868 1.076 1.345 1.7610.691 0.866 1.074 1.341 1.7530.690 0.865 1.071 1.337 1.7460.689 0.863 1.069 1.333 1.7400.688 0.862 1.067 1.330 1.7340.688 0.8610.687 0.860 1.064 1.325 1.7250.686 0.859 1.063 1.323 1.7214.7734.3174.0293.8333.6903.5813.4973.4283.3723.1432.9982.8962.8212.7642.7182.6812.6505.2084.7854.5014.2974.1444.0253.9303.852673.4993.3553.2503.1693.1063.0553.0125.4085.0412.4492.3982.3592.3282.3032.2822.2642.2492.2358.4.7814.587104.4374.3184.2211112132.6242.6022.5832.9772.9472.9212.8982.8783.7873.7334.1404.0734.0153.96514152.1452.1313.3263.2863.2523.222162.1203.6862.5672.5523.6463.611172.1102.2242.214182.1012.0932.0863.1973.1743.1533.9223.8833.8501.066 1.328 1.72919202.2052.1972.5392.5282.5182.8612.8452.8312.8193.5793.5523.527212.0802.1893.1353.819222.1830.686 0.858 1.061 1.321 1.7170.685 0.858 1.060 1.319 1.7140.685 0.857 1.059 1.318 1.7110.684 0.856 1.058 1.316 1.7080.684 0.856 1.058 1.315 1.7060.684 0.855 1.057 1.314 1.7030.683 0.855 1.056 1.313 1.7010.683 0.854 1.055 1.311 1.6990.683 0.854 1.055 1.310 1.6970.6812.0742.0692.5083.1193.5053.792232.1773.4852.5002.4922.4852.4792.4732.4672.4622.4572.4232.4032.8072.7972.7872.7792.7712.7632.7562.7502.7042.6783.1043.0913.0783.0673.0573.0473.7683.4673.4503.4353.4213.408242.0642.0602.0562.1723.7453.7253.7073.6903.67425262.1672.162272.0522.0482.0452.0422.0212.158282.1542.1502.1472.123293.0383.3963.65930403.0302.9712.9372.9153.3853.3073.6463.5510.8511.050 1.303 1.684500.679 0.849 1.047 1.299 1.6760.679 0.848 1.045 1.296 1.6710.678 0.846 1.043 1.292 1.6640.677 0.845 1.042 1.290 1.6600.675 0.842 1.037 1.282 1.6460.674 0.841 1.036 1.282 1.6452.0092.1093.2613.4963.4603.416602.0002.0992.3902.6603.2323.1953.174801.9902.0882.3742.6392.8872.8711.9842.0812.0562.0541002.3642.3302.3262.6263.39010003.3001.9621.9602.5812.5762.8133.0983.0912.8073.29102.0025.005One-sided P.25.20.15.10.05.025.01.005.001.0005Two-sided P.50.4030.20.10.05.04.02.01.002.001

Introduction: Denote μd as the true mean difference in the population of burrowing owls between 2015…

A recent study investigated the population size of burrowing owls in the Imperial Valley. In 2015, a random sample of 8 sites were selected and the number of burrowing owls were counted. In 2020, the researchers returned to the same sites and re-surveyed for owls. The data in the table represents the number of owls per site (population size) in 2015 and 2020. The column labeled "Difference" = 2020-2015 Site 2015 2020 Difference A 50 44 -6 B 51 47 -4 52 43 -9 D 37 31 -6 36 31 -5 F 39 30 -9 G 48 44 -4 H 37 33 -4 Мean: 43.8 37.9 -5.9 s: 7.1 7.2 2.1 Use the information given to determine if there is evidence of a significant population decrease since 2015 and answer the following questions. 1. The test-statistic (t) is (Select] 2. The p-value is ( Select) 3. The results of this test confirm that (Select ]

A recent study investigated the population size of burrowing owls in the Imperial Valley. In 2015, a random sample of 8 sites were selected and the number of burrowing owls were counted. In 2020, the researchers returned to the same sites and re-surveyed for owls. The data in the table represents the number of owls per site (population size) in 2015 and 2020. The column labeled "Difference" = 2020-2015 Site 2015 2020 Difference A 50 44 -6 B 51 47 -4 52 43 -9 D 37 31 -6 36 31 -5 F 39 30 -9 G 48 44 -4 H 37 33 -4 Мean: 43.8 37.9 -5.9 s: 7.1 7.2 2.1 Use the information given to determine if there is evidence of a significant population decrease since 2015 and answer the following questions. 1. The test-statistic (t) is (Select] 2. The p-value is ( Select) 3. The results of this test confirm that (Select ]

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

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Question

below is table C if needed. answer q's 1-3

1) is it A) -6.4, B)-2.28, C)3.68 or D)-7.9

2) is it A) <.0005, B) .04>p>.02, C).05>p>.025, or D) <.001

3) is it A) the pop. of owls has remained relatively unchaged since 2015, B)the pop. of owls has increased since 2015, or C) the pop. of owls has decreased since 2015.

A recent study investigated the population size of burrowing owls in the Imperial Valley. In 2015, a random
sample of 8 sites were selected and the number of burrowing owls were counted. In 2020, the researchers
returned to the same sites and re-surveyed for owls.
The data in the table represents the number of owls per site (population size) in 2015 and 2020. The column
labeled "Difference" = 2020-2015
Site
2015
2020 Difference
A
50
44
-6
51
47
-4
52
43
-9
D
37
31
-6
E
36
31
-5
F
39
30
-9
G
48
44
-4
H
37
33
-4
Mean:
43.8
37.9
-5.9
S:
7.1
7.2
2.1
Use the information given to determine if there is evidence of a significant population decrease since
2015 and answer the following questions.
1. The test-statistic (t) is ( Select ]
2. The p-value is [ Select]
3. The results of this test confirm that ( Select ]
B.

TABLEC t distribution critical values
Confidence level c
Degrees
of freedom
50%
60%
70%
80%
90%
95%
96%
98%
99%
99.5%
99.8%
99.9%
0.816 1.061
0.765 0.978 1.250 1.638 2.353
0.741 0.941 1.190 1.533 2.132
1.000 1.376 1.963 3.078 6.314 12.710 15.890 31.820 63.660 127.300
14.090
7.453
5.598
318.300 636.600
22.330
10.210
7.173
5.893
1.386 1.886 2.920
4.303
3.182
2.776
2.571
2.447
2.365
2.306
2.262
2.228
2.201
2.179
2.160
4.849
3.482
2.999
2.757
2.612
2.517
6.965
3
4
5
4.541
3.747
3.365
9.925
5.841
4.604
4.032
3.707
31.600
12.920
8.610
6.869
5.959
0.727 0.920 1.156 1.476 2.015
0.718 0.906 1.134 1.440 1.943
0.711 0.896 1.119 1.415 1.895
0.706 0.889 1.108 1.397 1.860
0.703 0.883 1.100 1.383 1.833
0.700 0.879 1.093 1.372 1.812
0.697 0.876 1.088 1.363 1.796
0.695 0.873 1.083 1.356 1.782
0.694 0.870 1.079 1.350 1.771
0.692 0.868 1.076 1.345 1.761
0.691 0.866 1.074 1.341 1.753
0.690 0.865 1.071 1.337 1.746
0.689 0.863 1.069 1.333 1.740
0.688 0.862 1.067 1.330 1.734
0.688 0.861
0.687 0.860 1.064 1.325 1.725
0.686 0.859 1.063 1.323 1.721
4.773
4.317
4.029
3.833
3.690
3.581
3.497
3.428
3.372
3.143
2.998
2.896
2.821
2.764
2.718
2.681
2.650
5.208
4.785
4.501
4.297
4.144
4.025
3.930
3.852
6
7
3.499
3.355
3.250
3.169
3.106
3.055
3.012
5.408
5.041
2.449
2.398
2.359
2.328
2.303
2.282
2.264
2.249
2.235
8.
4.781
4.587
10
4.437
4.318
4.221
11
12
13
2.624
2.602
2.583
2.977
2.947
2.921
2.898
2.878
3.787
3.733
4.140
4.073
4.015
3.965
14
15
2.145
2.131
3.326
3.286
3.252
3.222
16
2.120
3.686
2.567
2.552
3.646
3.611
17
2.110
2.224
2.214
18
2.101
2.093
2.086
3.197
3.174
3.153
3.922
3.883
3.850
1.066 1.328 1.729
19
20
2.205
2.197
2.539
2.528
2.518
2.861
2.845
2.831
2.819
3.579
3.552
3.527
21
2.080
2.189
3.135
3.819
22
2.183
0.686 0.858 1.061 1.321 1.717
0.685 0.858 1.060 1.319 1.714
0.685 0.857 1.059 1.318 1.711
0.684 0.856 1.058 1.316 1.708
0.684 0.856 1.058 1.315 1.706
0.684 0.855 1.057 1.314 1.703
0.683 0.855 1.056 1.313 1.701
0.683 0.854 1.055 1.311 1.699
0.683 0.854 1.055 1.310 1.697
0.681
2.074
2.069
2.508
3.119
3.505
3.792
23
2.177
3.485
2.500
2.492
2.485
2.479
2.473
2.467
2.462
2.457
2.423
2.403
2.807
2.797
2.787
2.779
2.771
2.763
2.756
2.750
2.704
2.678
3.104
3.091
3.078
3.067
3.057
3.047
3.768
3.467
3.450
3.435
3.421
3.408
24
2.064
2.060
2.056
2.172
3.745
3.725
3.707
3.690
3.674
25
26
2.167
2.162
27
2.052
2.048
2.045
2.042
2.021
2.158
28
2.154
2.150
2.147
2.123
29
3.038
3.396
3.659
30
40
3.030
2.971
2.937
2.915
3.385
3.307
3.646
3.551
0.851
1.050 1.303 1.684
50
0.679 0.849 1.047 1.299 1.676
0.679 0.848 1.045 1.296 1.671
0.678 0.846 1.043 1.292 1.664
0.677 0.845 1.042 1.290 1.660
0.675 0.842 1.037 1.282 1.646
0.674 0.841 1.036 1.282 1.645
2.009
2.109
3.261
3.496
3.460
3.416
60
2.000
2.099
2.390
2.660
3.232
3.195
3.174
80
1.990
2.088
2.374
2.639
2.887
2.871
1.984
2.081
2.056
2.054
100
2.364
2.330
2.326
2.626
3.390
1000
3.300
1.962
1.960
2.581
2.576
2.813
3.098
3.091
2.807
3.291
02
.0025
.005
One-sided P
.25
.20
.15
.10
.05
.025
.01
.005
.001
.0005
Two-sided P
.50
.40
30
.20
.10
.05
.04
.02
.01
.002
.001

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