For the accompanying data set, (a) draw a scatter diagram of
the data, (b) by hand,...
For the accompanying data set, (a) draw a scatter diagram of
the data, (b) by hand, compute the correlation coefficient, and
(c) determine whether there is a linear relation between x and
y.
x y
2 4
4 8
6 12
6 12
7 20
Data set
x
22
44
66
66
77
y
44
88
1212
1212
2020
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...
Consider the following sets of sample data: A: $32,800, $20,700,
$30,100, $27,300, $38,800, $36,600, $36,600, $22,700,...
Consider the following sets of sample data: A: $32,800, $20,700,
$30,100, $27,300, $38,800, $36,600, $36,600, $22,700, $34,600,
$22,700, $34,100, $39,300, $27,700, $27,700 B: 3.82, 4.32, 4.05,
3.04, 3.92, 4.61, 3.86, 4.03, 4.12, 2.96, 4.56 Step 1 of 2 : For
each of the above sets of sample data, calculate the coefficient of
variation, CV. Round to one decimal place.
Consider the following sets of sample data: A: 97, 118, 144,
126, 137, 129, 137, 129,...
Consider the following sets of sample data: A: 97, 118, 144,
126, 137, 129, 137, 129, 134, 126, 141, 139, 105, 124 B: 3.85,
3.21, 4.37, 3.06, 4.84, 4.83, 4.20, 4.01, 3.19, 4.74, 4.17 Step 1
of 2 : For each of the above sets of sample data, calculate the
coefficient of variation, CV. Round to one decimal place.
Consider the following sets of sample data:
A:
4.754.75, 3.763.76, 3.533.53, 3.703.70, 3.083.08, 4.184.18,
4.594.59, 4.064.06,...
Consider the following sets of sample data:
A:
4.754.75, 3.763.76, 3.533.53, 3.703.70, 3.083.08, 4.184.18,
4.594.59, 4.064.06, 3.903.90, 4.534.53, 3.503.50, 3.893.89,
3.283.28, 4.314.31
B:
50.150.1, 54.254.2, 53.653.6, 54.754.7, 50.350.3, 55.755.7,
55.055.0, 55.155.1, 58.058.0, 59.359.3, 56.956.9
For each of the above sets of sample data, calculate the
coefficient of variation, CV. Round to one decimal place.