Critical Values for Correlation Coefficient n 3 0.997 4 0.950 5 0.878 6 0.811 7
ID: 3179281 • Letter: C
Question
Critical Values for Correlation Coefficient
n
3
0.997
4
0.950
5
0.878
6
0.811
7
0.754
8
0.707
9
0.666
10
0.632
11
0.602
12
0.576
13
0.553
14
0.532
15
0.514
16
0.497
17
0.482
18
0.468
19
0.456
20
0.444
21
0.433
22
0.423
23
0.413
24
0.404
25
0.396
26
0.388
27
0.381
28
0.374
29
0.367
30
0.361
C) Does a linear relation exist between the number of reported cases of Lyme disease and the number of drowning deaths? Because the correlation coefficient is (negatvie or positive, please choose one) and the absolute value of the correlation coefficient, (fill in blank), is (choose one: not greater or greater) than the critical value for this data set, (fill in blank), (choose one: a negative, no, a positive) linear relation exists between Lyme disease and drowning deaths.
n
3
0.997
4
0.950
5
0.878
6
0.811
7
0.754
8
0.707
9
0.666
10
0.632
11
0.602
12
0.576
13
0.553
14
0.532
15
0.514
16
0.497
17
0.482
18
0.468
19
0.456
20
0.444
21
0.433
22
0.423
23
0.413
24
0.404
25
0.396
26
0.388
27
0.381
28
0.374
29
0.367
30
0.361
Lyme disease s an inflammatory disease that results in a skin rash and flutelike symptoms. It is transmitted through the bite of an infected deer tick. The following data represent the number of reported cases of Lyme disease and the number of drowning deaths for a rural county. Complete part (a) through (c) below. (a) Draw a scatter diagram of the data. Choose the correct graph below: (b) Determine the linear correlation coefficient between Lyme diseases and drowning death. The linear correlation coefficient between Lyme disease and drowning deaths is r =. (c) Does a linear relation exist between the number of reported cases of Lyme discs and the number of drowning deaths? Because the correlation coefficient is and the absolute value of the correlation coefficient, , is than the critical value for this data set, , linear relation exists between Lyme disease and drowning deaths.Explanation / Answer
1) option D is correct
b)correlation coefficient =0.961
c)as critical value for 12 sample size =0.576 hence below are the choices
positive ; greater then ; a positive
pls revert for doubt
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