The number of hours 10 students spent studying for a test and their scores on that test are shown in the table. Is there enough evidence to conclude that there is a significant linear correlation between the data? Use a = 0.05. Hours, x 0 4 4 5 57 62 70 Test score, y 38 Click here to view a table of critical values for Student's t-distribution. Setup the hypothesis for the test. Ho: P Ha: P 0 1 45 0 2 51 5 73 6 76 7 80 91 8 D
The number of hours 10 students spent studying for a test and their scores on that test are shown in the table. Is there enough evidence to conclude that there is a significant linear correlation between the data? Use a = 0.05. Hours, x 0 4 4 5 57 62 70 Test score, y 38 Click here to view a table of critical values for Student's t-distribution. Setup the hypothesis for the test. Ho: P Ha: P 0 1 45 0 2 51 5 73 6 76 7 80 91 8 D
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
Problem 4PPS
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Transcribed Image Text:The number of hours 10 students spent studying for a test and their scores on that test are shown in the table. Is there enough evidence to conclude that there is a significant linear correlation
between the data? Use α = 0.05.
Hours, x
0
1
2
4 4 5
57 62 70
51
Test score, y 38 45
Click here to view a table of critical values for Student's t-distribution.
Setup the hypothesis for the test.
Ho: P
Ha: P
▼0
0
5
73
6
76
8 D
7
80 91
Transcribed Image Text:d.f.
1
2
3
45678
Level of
confidence, c
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
One tail, a
Two tails, a
0.50
0.25
0.50
0.95
0.98
0.025 0.01
0.10 0.05
0.02
0.01
1.000
3.078
6.314 12.706 31.821
63.657
0.816
1.886 2.920 4.303 6.965
9.925
4.541
5.841
0.765 1.638 2.353 3.182
0.741 1.533 2.132 2.776 3.747
4.604
3.365
4.032
0.727 1.476 2.015 2.571
0.718 1.440 1.943 2.447
3.143
3.707
0.711
1.415 1.895 2.365
2.998
3.499
0.706
1.397 1.860 2.306
2.896
3.355
2.262
2.821
3.250
0.703 1.383 1.833
0.700 1.372 1.812 2.228
2.764 3.169
2.718
3.106
2.681 3.055
3.012
0.697 1.363 1.796 2.201
0.695 1.356 1.782 2.179
0.694 1.350 1.771 2.160 2.650
0.692 1.345 1.761 2.145 2.624 2.977
0.691 1.341 1.753 2.131 2.602 2.947
0.690 1.337 1.746 2.120 2.583 2.921
2.898
2.878
0.689 1.333 1.740 2.110 2.567
0.688 1.330 1.734 2.101 2.552
0.688 1.328 1.729 2.093 2.539 2.861
0.687 1.325 1.725 2.086 2.528 2.845
0.686 1.323 1.721
2.080
2.518
2.831
1.717 2.074
2.508
0.686 1.321
0.685 1.319 1.714 2.069
2.500
0.685 1.318
1.711 2.064 2.4921
0.80
0.90
0.10 0.05
0.20
0.99
0.005
2.819
2.807
2.797
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