Question
In: Statistics and Probability
Using the data below, calculate the correlation of these samples. seed_mass seedling_height 5.06 7.91 5.06 7.25...
Using the data below, calculate the correlation of these samples.
| seed_mass | seedling_height |
| 5.06 | 7.91 |
| 5.06 | 7.25 |
| 5.5 | 7.29 |
| 5.91 | 8.91 |
| 5.6 | 6.93 |
| 4.54 | 6.65 |
| 6.6 | 8.47 |
| 4.79 | 5.87 |
| 6.15 | 9.18 |
| 5 | 6.14 |
| 5.77 | 6.34 |
| 4.33 | 5.22 |
| 5.38 | 7.7 |
| 4.25 | 5.77 |
| 5.41 | 8.29 |
| 5.01 | 7.66 |
| 6.26 | 6.73 |
| 5.07 | 6.56 |
| 5.5 | 5.89 |
| 5.23 | 7.14 |
| 4.24 | 5.48 |
| 5.89 | 8.36 |
| 5.32 | 6.56 |
| 5.56 | 6.04 |
| 4.95 | 6.97 |
(a) The correlation coefficient r = (report your answer
to 3 decimal places)
(b) The alternate hypothesis is (answer A or B)
(A) ρ = 0 ;
(B) ρ ≠ 0
(c) calculated t value is (report your answer to 3 decimal places)
(d) Degree of freedom =
(e) critical t value at alpha =0.05 =
(f) Do we reject or fail to reject the null hypothesis?
Answer: (reject or fail to reject)
(g) Is there a relationship between seed weight and seedling height? Answer: (Yes or no)
Solutions
orchestra answered 1 year agoRelated Solutions
Using the data below, calculate the correlation of these samples. seed_mass seedling_height 5.06 7.91 5.06 7.25...
Using the data below, calculate the correlation of these
samples.
seed_mass
seedling_height
5.06
7.91
5.06
7.25
5.5
7.29
5.91
8.91
5.6
6.93
4.54
6.65
6.6
8.47
4.79
5.87
6.15
9.18
5
6.14
5.77
6.34
4.33
5.22
5.38
7.7
4.25
5.77
5.41
8.29
5.01
7.66
6.26
6.73
5.07
6.56
5.5
5.89
5.23
7.14
4.24
5.48
5.89
8.36
5.32
6.56
5.56
6.04
4.95
6.97
(a) The correlation coefficient r = (report your answer
to 3 decimal places)
(b) The alternate hypothesis is (answer A...
Using the data below, calculate the correlation of these samples. Round your answer to 1 decimal...
Using the data below, calculate the correlation of these
samples. Round your answer to 1 decimal place.
seed_mass
seedling_height
2.06
7.91
5.06
7.22
2.2
7.29
5.91
8.91
5.6
6.93
4.54
6.62
6.6
8.47
4.79
2.87
6.15
9.18
5
6.14
5.77
6.34
4.33
2.22
5.38
7.7
4.25
2.77
5.41
8.29
5.01
7.66
6.26
6.73
5.07
6.26
5.5
2.89
5.23
7.14
4.24
2.48
5.89
8.36
5.32
6.26
5.56
6.04
4.95
6.97
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.
Using the data below find the linear correlation coefficient. x y xy
Using the data below find the linear correlation
coefficient.
x
y
xy
x2
y2
3
4
12
9
16
4
6
24
16
36
5
7
35
25
49
7
12
84
49
144
8
14
112
64
196
___________________________________________
27
43
267
163
441
Also, utilizing the above data, find the slope and
intercept.
1. Calculate the Correlation between height and weight, using centimeters and kilograms 2. Calculate the Correlation...
1. Calculate the Correlation between height and weight, using
centimeters and kilograms
2. Calculate the Correlation between height and weight, using
inches and pounds
3. Compare these correlations. What would you conclude?
4. Create a Scatter plot graph of these data.
Graph:
Select Pounds in the X axis and Inches in the Y
Insert a scatter graph
Click on the first graph
Click on Drawing Tools and then layout: Select Axis Titles:
write the titles
Do the same thing for...
Based on the data shown below, calculate the correlation coefficient (rounded to three decimal places) x...
Based on the data shown below, calculate the correlation
coefficient (rounded to three decimal places)
x
y
2
1.6
3
2.67
4
3.84
5
3.71
6
0.48
7
1.75
8
3.42
9
0.89
10
1.96
11
3.13
12
0.1
Calculate the covariance and correlation coefficients by completing the below table, assuming sample data. Show all...
Calculate the covariance and correlation coefficients by
completing the below table, assuming sample data. Show all
workings. (Note: You can calculate the mean and standard deviation
of X & Y with Excel or your calculator; no working for their
calculation is required.)
X
Y
(X - X bar)
(Y - Y bar)
(X - X bar)(Y - Y bar)
5
5
2
3
5
4
8
7
6
9
(b) Comment on the
direction and strength of the association between X...
Based on the data shown below, calculate the correlation coefficient (to three decimal places) x y...
Based on the data shown below, calculate the correlation
coefficient (to three decimal places)
x
y
1
7.58
2
7.32
3
9.06
4
8.1
5
5.84
6
6.58
7
8.32
8
4.46
9
5.9
10
7.44
11
3.48
12
4.02
13
3.16
14
2.3
For the following data (a) display the data in a scatter plot, (b) calculate the correlation...
For the following data (a) display the data in a scatter plot,
(b) calculate the correlation coefficient r, and (c) make a
conclusion about the type of correlation. The ages (in years) of 6
children and the number of words in their vocabulary Age, x 1 2 3
4 5 6
Vocabulary size, y 150 1100 1150 1800 2050 2700
A] The correlation coefficient r is
SPSS: Correlation Use SPSS or Excel to calculate the appropriate correlation coefficient for the following data...
SPSS: Correlation
Use SPSS or Excel to calculate the appropriate correlation
coefficient for the following data for “Hours of Exercise” and
“Life Satisfaction.” (0 = Not at all satisfied). Provide an
APA-style results section write – up. (b) Graph the
relationship.
HINT: Below you will find instructions for the APA-style
write-up.
Complete the write-up on a word document and upload the file
for submission.
Hours of Exercise.
2
0
5
6
1
2
4
4
3
4
life satisfaction...
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