(e) Find the equation of the regression line and draw the line on the scatter plot. Round the slope and y-intercept to at least faur decimal places. The equation of the regression ane is y =|-0.7915+ 163530

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Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Just need help with part 5, thank you!
Part 2 of 6
b) Find the value for r. Round your answer to at least three decimal places.
7 -0 984
Part 3 of 6
(c) Test the significance of 7 at the 5% level and at the I% level.
TABLE 12-4 Significant Values for the Correlation Coefficient
Sample Size
54
Sample Size
14
950
990
17
482
.606
878
959
18
468
590
811
917
19
456
575
754
875
20
444
561
707
834
433
549
666
.798
22
423
537
10
632
765
412
526
11
602
735
403
515
12
576
708
396
505
13
553
684
361
463
14
532
661
40
312
402
15
514
641
60
254
330
16
497
623
120
179
234
There is
a significant relationship between the data sets at the 5% signiticance level.
There s not
a sigaificant relationship between the data sets at the 1% significance level.
Correct Answer:
There is a significant relationship between the data sets at the 5% significance level.
There is a significant relationship between the data sets at the 1% signiticance level.
Part 4 of 6
(d) Desoribe the nature of the relationship if one exsts.
There is a negative linear Y
nelationship between the two data sets.
Part: 4 /6
Part 5 of 6
(e) Find the equation of the regression line and draw the line on the scatter plot. Round the slope and -untercept to at least faur decimal places.
The equation of the regression ane is y =-0.7915
16.3530
Transcribed Image Text:Part 2 of 6 b) Find the value for r. Round your answer to at least three decimal places. 7 -0 984 Part 3 of 6 (c) Test the significance of 7 at the 5% level and at the I% level. TABLE 12-4 Significant Values for the Correlation Coefficient Sample Size 54 Sample Size 14 950 990 17 482 .606 878 959 18 468 590 811 917 19 456 575 754 875 20 444 561 707 834 433 549 666 .798 22 423 537 10 632 765 412 526 11 602 735 403 515 12 576 708 396 505 13 553 684 361 463 14 532 661 40 312 402 15 514 641 60 254 330 16 497 623 120 179 234 There is a significant relationship between the data sets at the 5% signiticance level. There s not a sigaificant relationship between the data sets at the 1% significance level. Correct Answer: There is a significant relationship between the data sets at the 5% significance level. There is a significant relationship between the data sets at the 1% signiticance level. Part 4 of 6 (d) Desoribe the nature of the relationship if one exsts. There is a negative linear Y nelationship between the two data sets. Part: 4 /6 Part 5 of 6 (e) Find the equation of the regression line and draw the line on the scatter plot. Round the slope and -untercept to at least faur decimal places. The equation of the regression ane is y =-0.7915 16.3530
Guestion IU OI 12 (1 poiity
GuestioL ALteimUL
For the given data set:
8.
12
2
11
19
y
10
7
15
13
Part 1 of 6
(a) Draw a scatter plot.
T8-
16
14-
12-
12
14 16
18
20
22
Part 2 of 6
(b) Find the value for r. Round your answer to at least three decimal places.
r=|-0.984
Part 3 of 6
(c) Test the significance of r at the 5% level and at the 1% level.
TABLE 12-4 Significant Values for the Correlation Coefficient
Sample Size
5%
1%
Sample Size
5%
1%
4
950
990
17
482
.606
878
959
18
.468
590
6.
811
917
19
456
.575
754
875
20
444
561
Transcribed Image Text:Guestion IU OI 12 (1 poiity GuestioL ALteimUL For the given data set: 8. 12 2 11 19 y 10 7 15 13 Part 1 of 6 (a) Draw a scatter plot. T8- 16 14- 12- 12 14 16 18 20 22 Part 2 of 6 (b) Find the value for r. Round your answer to at least three decimal places. r=|-0.984 Part 3 of 6 (c) Test the significance of r at the 5% level and at the 1% level. TABLE 12-4 Significant Values for the Correlation Coefficient Sample Size 5% 1% Sample Size 5% 1% 4 950 990 17 482 .606 878 959 18 .468 590 6. 811 917 19 456 .575 754 875 20 444 561
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