MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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The accompanying table shows the ages (in years) of 11 children and the numbers of words in their vocabulary. Complete parts (a) through (d) below.
Click here to view the data table. Click here to view the table of critical values for the Pearson correlation coefficient.
Data table
Critical values for the pearson correlation coefficient
(a) Display the data
O A.
Age, x
Vocabulary size, y
Critical Values for the
1
6
3000-
2400-
1800-
1200-
Pearson Correlation
Coefficient
210
3
590
4
1300
The correlation is significant when the absolute value of
is greater than the value in the table.
600-
2200
6
4 6
0 2
Age (year
2600
a = 0.05
0.950
a = 0.01
0.990
4 6 8
years)
3
680
4
2100
0.878
0.959
(b) Calculate the sa
280
6
0.811
0.917
7
0.754
0.875
4
1100
0.834
0.798
8
0.707
(Round to three de
6.
2300
0.666
10
0.632
0.765
(c) Describe the ty
11
0.602
0.735
12
0.576
0.708
There is
13
0.553
0.684
Done
0.661
0.532
0.514
0.497
Print
14
15
0.641
Interpret the correla
16
0.623
17
0.482
0.606
O A. As age incr
18
0.468
0.590
19
0.456
0.575
B. As age increases, the number of words in children's vocabulary tends to decrease.
Id---
1:48:10
Print
Done
Vocabulary size
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Transcribed Image Text:The accompanying table shows the ages (in years) of 11 children and the numbers of words in their vocabulary. Complete parts (a) through (d) below. Click here to view the data table. Click here to view the table of critical values for the Pearson correlation coefficient. Data table Critical values for the pearson correlation coefficient (a) Display the data O A. Age, x Vocabulary size, y Critical Values for the 1 6 3000- 2400- 1800- 1200- Pearson Correlation Coefficient 210 3 590 4 1300 The correlation is significant when the absolute value of is greater than the value in the table. 600- 2200 6 4 6 0 2 Age (year 2600 a = 0.05 0.950 a = 0.01 0.990 4 6 8 years) 3 680 4 2100 0.878 0.959 (b) Calculate the sa 280 6 0.811 0.917 7 0.754 0.875 4 1100 0.834 0.798 8 0.707 (Round to three de 6. 2300 0.666 10 0.632 0.765 (c) Describe the ty 11 0.602 0.735 12 0.576 0.708 There is 13 0.553 0.684 Done 0.661 0.532 0.514 0.497 Print 14 15 0.641 Interpret the correla 16 0.623 17 0.482 0.606 O A. As age incr 18 0.468 0.590 19 0.456 0.575 B. As age increases, the number of words in children's vocabulary tends to decrease. Id--- 1:48:10 Print Done Vocabulary size
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