Question
In: Statistics and Probability
Find the correlation coefficient r for the given table below and use it to determine if...
Find the correlation coefficient r for the given table below and
use it to determine if there is a Strong Negative or Strong
Positive or Weak Negative or Weak Positive correlation. (Check your
spelling!) Redshift | 0.0233 |0.0539 | 0.0718 | 0.0395 | 0.0438 |
0.0103
=Distance| 0.32 | 0.75 | 1.00 |
0.55 | 0.61 | 0.14
Solutions
Expert Solution
Here a bivariate set of data given on Redshifts and Distance. We want to find the correlation coefficient between them.
Formulas:-
orchestra answered 1 year agoRelated Solutions
1) Find the correlation coefficient r for the given table below and use it to determine...
1)
Find the correlation coefficient r for the given
table below and use it to determine if there is a Strong Negative
or Strong Positive or Weak
Negative or Weak
Positive correlation. (Check your
spelling!)
PSAT
183
207
167
206
197
142
193
176
SAT
2200
2040
1890
2380
12290
2070
2370
1980
2)
Find the correlation coefficient r for the given
table below. (Round to the nearest thousandth)
(ONLY TYPE IN THE NUMBER!)
x
10
8
13
9
11...
Use a scatterplot and the linear correlation coefficient r to determine whether there is a correlation...
Use a scatterplot and the linear correlation coefficient r to
determine whether there is a correlation between the two variables.
Use alphaequals0.05. x 6 1 4 8 5 y 5 0 2 7 4 Click here to view a
table of critical values for the correlation coefficient.
LOADING... Does the given scatterplot suggest that there is a
linear correlation? A. Yes comma because the points appear to have
a straight line pattern. B. Yes, because the data does not follow...
Use a scatterplot and the linear correlation coefficient r r to determine whether there is a...
Use a scatterplot and the linear correlation coefficient r r to
determine whether there is a correlation between the two variables.
(Note: Use software, and don't forget to look at the scatterplot!)
x 0.6 1.1 2.3 3.1 4.7 5.9 6.5 7.3 8.9 9.2 10.9 11.9 12.8 13.6 14.6
y 15.5 13.9 10.9 13.4 10.8 11.1 10.4 5.7 4.3 3.8 6 4.5 4.2 -0.4 0.1
(a) r= r= equation editor Equation Editor (b) There is A. a
positive correlation between x...
1. Use the following table to calculate the correlation coefficient (r). and Interpret the results...
1. Use the following table to
calculate the correlation coefficient (r).
and Interpret the results in words.
Credibility
X
Persuasion Y
59
64
54
60
59
63
58
72
71
78
55
69
55
69
54
67
2.Explain Type I error
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 = 0.353, n =
15
A. Critical values: r = ±0.532, no significant linear
correlation
B. Critical values: r = ±0.514, significant linear
correlation
C. Critical values: r = ±0.514, no significant linear
correlation
D. Critical values: r =...
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 = 0.127, n =
15
Find the value of the linear correlation coefficient r. Round to 3 decimal places. Table 2...
Find the value of the linear correlation coefficient r. Round to
3 decimal places.
Table 2
x
17
20.6
21.4
34
47
25
26
y
12
19
10
17
18
17
16
Enter the data from the table below into Microsoft Excel and determine the linear correlation coefficient,...
Enter the data from the table below into Microsoft Excel and
determine the linear correlation coefficient, R2 for time versus
position.
Then, calculate y/t and determine the linear correlation
coefficient, R2 for time versus y/t. Write in the calculated values
in the table below (use two decimal places).
Time, t (s)
Position, y (cm)
Velocity, y/t (cm/s)
0/60
0.00
1/60
2.41
2/60
5.09
3/60
8.08
4/60
11.30
5/60
14.79
6/60
18.56
7/60
22.52
8/60
26.96
9/60
31.56
Determine the linear...
Determine and interpret the linear correlation coefficient, and use linear regression to find a best fit...
Determine and interpret the linear correlation coefficient, and
use linear regression to find a best fit line for a scatter plot of
the data and make predictions. Scenario According to the U.S.
Geological Survey (USGS), the probability of a magnitude 6.7 or
greater earthquake in the Greater Bay Area is 63%, about 2 out of
3, in the next 30 years. In April 2008, scientists and engineers
released a new earthquake forecast for the State of California
called the Uniform...
Use the data values in the table below to calculate the correlation, r, between the variables...
Use the data values in the table below to calculate the
correlation, r, between the variables x and y.
x
y
4
12.32
5
13.1
6
16.68
7
20.26
8
22.44
9
22.72
10
23.4
11
26.98
12
28.66
Give your answer to rounded three decimal places.
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