Suppose you will perform a test to determine whether there is sufficient evidence to support a...
Suppose you will perform a test to determine whether
there is sufficient evidence to support a claim of a linear
correlation between two variables. Find the critical values of r
given the number of pairs of data n and the significance level
α.
n = 6, α = 0.05
Group of answer choices
r = 0.878
r = ±0.917
r = ±0.811
r = 0.811
Homework Answers
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Suppose you will perform a test to determine whether
there is sufficient evidence to support a...
Suppose you will perform a test to determine whether there is sufficient evidence to support a...
Suppose you will perform a test to determine whether there is sufficient evidence to support a claim of a linear correlation between two variables. Find the critical values of r given the number of pairs of data n and the significance level α. n = 6, α = 0.05 Group of answer choices r = 0.811 r = 0.878 r = ±0.811 r = ±0.917
Critical Values for the Correlation Coefficient n alpha = .05 alpha = .01 4 0.95 0.99...
Critical Values for the Correlation
Coefficient
n
alpha = .05
alpha = .01
4
0.95
0.99
5
0.878
0.959
6
0.811
0.917
7
0.754
0.875
8
0.707
0.834
9
0.666
0.798
10
0.632
0.765
11
0.602
0.735
12
0.576
0.708
13
0.553
0.684
14
0.532
0.661
15
0.514
0.641
16
0.497
0.623
17
0.482
0.606
18
0.468
0.59
19
0.456
0.575
20
0.444
0.561
25
0.396
0.505
30
0.361
0.463
35
0.335
0.43
40
0.312
0.402
45
0.294
0.378
50...
stat
or a data set of chest sizes (distance around chest in inches) and weights (pounds) of ten anesthetized bears that were measured, the linear correlation coefficient is requals0.817. Use the table available below to find the critical values of r. Based on a comparison of the linear correlation coefficient r and the critical values, what do you conclude about a linear correlation? LOADING... Click the icon to view the table of critical values of r.The...
Listed below are repair costs (in dollars) for cars crashed at 6 mi/h in full-front crash...
Listed below are repair costs (in dollars) for cars crashed at 6 mi/h in full-front crash tests and the same cars crashed at 6 mi/h in full-rear crash tests (based on data from the insurance Institute for Highway Safety). The cars are the Toyota Camry, Mazda 6, Volvo S40, Saturn Aura, Subaru Legacy, Hyundai Sonata, and Honda Accord. Construct a scatterplot, and find the value of the linear correlation coefficient Also find the value or the critical values of from...
For a data set of brain volumes (cm) and IQ scores of five males, the linear...
For a data set of brain volumes (cm) and IQ scores of five males, the linear correlation coefficient is r=0.291. Use the table available below to find the critical values of r. Based on a comparison of the linear correlation coefficient r and the critical values, what do you conclude about a linear correlation? Click the icon to view the table of critical values of r. The critical values are (Type integers or decimals. Do not round. Use a comma...
Given the linear correlation coefficient r and the sample size n, determine the critical values of...
Given the linear correlation coefficient r and the sample size n, determine the critical values of r and use your finding to state whether or not the given r represents a significant linear correlation. Use a significance level of 0.05. r =-0.816, n =5 A. Critical values: = +/- 0.878, no significant linear correlation B. Critical values: =0.950, significant linear correlation C. Critical values: = +/- 0.878, significant linear correlation D. Critical values: = +/-0.950, no significant linear correlation
This Question: 1 pt 15 of 15 (1 complete) This Test: 15 Assume that a sample...
This Question: 1 pt 15 of 15 (1 complete) This Test: 15 Assume that a sample of bivariate data yields the correlation coefficient indicated Use the table on the right for the specified sample sze and level of significance to determine whether a linear correlation exists -0.01 0.990 0.959 Correlation coefficient, (r=0.05 0.950 0.878 0.811 0.754 0.707 0.666 0.632 n 4 5 6 7 8 9 10 T=0.73 when n = 10 ata=0.01 0.917 0.875 0.834 0.798 0.765 Does a...
For a data set of chest sizes (distance around chest in inches) and weights (pounds) of...
For a data set of chest sizes (distance around chest in inches) and weights (pounds) of eleven anesthetized bears that were measured, the linear correlation coefficient is r=0.446. Use the table available below to find the critical values of r. Based on a comparison of the linear correlation coefficient r and the critical values, what do you conclude about a linear correlation? Click the icon to view the table of critical values of r. The critical values are (Type integers...
need help answering these questions please For a data set of brain volumes (cm) and IQ...
need help answering these questions please
For a data set of brain volumes (cm) and IQ scores of eleven males, the linear correlation coefficient is r=0.671. Use the table available below to find the critical values of t. Based on a comparison of the linear correlation coefficient and the critical values, what do you conclude about a linear correlation? Click the icon to view the table of critical values of A The critical values are - 602, 602 (Type integers...
Given the linear correlation coefficient r and the sample size n, determine the critical values of...
Given the linear correlation coefficient r and the sample size n, determine the critical values of r and use your finding to state whether or not the given r represents a significant linear correlation. Use a significance level of 0.05. r = 0.543, n = 25. SHOW WORK Group of answer choices A)Critical values: r = ± 0.396, significant linear correlation B)Critical values: r = ± 0.487, significant linear correlation C)Critical values: r = ± 0.396, no significant linear correlation...
Critical Values for the Correlation
Coefficient
n
alpha = .05
alpha = .01
4
0.95
0.99
5
0.878
0.959
6
0.811
0.917
7
0.754
0.875
8
0.707
0.834
9
0.666
0.798
10
0.632
0.765
11
0.602
0.735
12
0.576
0.708
13
0.553
0.684
14
0.532
0.661
15
0.514
0.641
16
0.497
0.623
17
0.482
0.606
18
0.468
0.59
19
0.456
0.575
20
0.444
0.561
25
0.396
0.505
30
0.361
0.463
35
0.335
0.43
40
0.312
0.402
45
0.294
0.378
50...
Listed below are repair costs (in dollars) for cars crashed at 6 mi/h in full-front crash tests and the same cars crashed at 6 mi/h in full-rear crash tests (based on data from the insurance Institute for Highway Safety). The cars are the Toyota Camry, Mazda 6, Volvo S40, Saturn Aura, Subaru Legacy, Hyundai Sonata, and Honda Accord. Construct a scatterplot, and find the value of the linear correlation coefficient Also find the value or the critical values of from...
For a data set of brain volumes (cm) and IQ scores of five males, the linear correlation coefficient is r=0.291. Use the table available below to find the critical values of r. Based on a comparison of the linear correlation coefficient r and the critical values, what do you conclude about a linear correlation? Click the icon to view the table of critical values of r. The critical values are (Type integers or decimals. Do not round. Use a comma...
This Question: 1 pt 15 of 15 (1 complete) This Test: 15 Assume that a sample of bivariate data yields the correlation coefficient indicated Use the table on the right for the specified sample sze and level of significance to determine whether a linear correlation exists -0.01 0.990 0.959 Correlation coefficient, (r=0.05 0.950 0.878 0.811 0.754 0.707 0.666 0.632 n 4 5 6 7 8 9 10 T=0.73 when n = 10 ata=0.01 0.917 0.875 0.834 0.798 0.765 Does a...
For a data set of chest sizes (distance around chest in inches) and weights (pounds) of eleven anesthetized bears that were measured, the linear correlation coefficient is r=0.446. Use the table available below to find the critical values of r. Based on a comparison of the linear correlation coefficient r and the critical values, what do you conclude about a linear correlation? Click the icon to view the table of critical values of r. The critical values are (Type integers...
need help answering these questions please
For a data set of brain volumes (cm) and IQ scores of eleven males, the linear correlation coefficient is r=0.671. Use the table available below to find the critical values of t. Based on a comparison of the linear correlation coefficient and the critical values, what do you conclude about a linear correlation? Click the icon to view the table of critical values of A The critical values are - 602, 602 (Type integers...
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