Question

Here is a bivariate data set.

x | y |
---|---|

18 | 24 |

25 | 91 |

50 | 117 |

37 | 106 |

29 | 52 |

23 | 81 |

22 | 46 |

Find the correlation coefficient and report it accurate to four
decimal places.

*r* =

Answer #1

Here is a bivariate data set.
x
y
50
-36
17
129
39
58
19
91
31
84
45
22
18
80
30
92
8
175
Find the correlation coefficient and report it accurate to four
decimal places.
r =

Here is a bivariate data set.
x
y
17
85
36
-0
32
-7
37
11
56
-50
18
87
40
3
5
64
24
28
Find the correlation coefficient and report it accurate to four
decimal places.
r =

Here is a bivariate data set.
x
y
17
118
35
167
67
48
26
146
48
6
61
97
48
-117
53
-3
31
115
31
29
Find the correlation coefficient and report it accurate to four
decimal places.
r =

Here is a bivariate data set.
x
y
38
12
36
19
26
-17
36
35
40
35
44
48
43
23
25
26
47
62
48
53
Find the correlation coefficient and report it accurate to four
decimal places.
r =

Here is a bivariate data set.
x
y
69.7
98.7
61
105.6
61.5
114.2
64.9
115.3
50.9
48.5
64.8
74
Find the correlation coefficient and report it accurate to three
decimal places.
r =

1. Here is a bivariate data set.
x
y
49.7
34.8
43.9
30.9
48
30
46.3
32
46.9
30.3
46.2
34.6
Find the correlation coefficient and report it accurate to three
decimal places.
r =
What proportion of the variation in y can be explained by
the variation in the values of x? Report answer as a
percentage accurate to one decimal place.
r² = %
2. You run a regression analysis on a bivariate set of data
(n=71). With...

Here is a bivariate data set.
x | y
58.1
55.3
43.3
33.7
74.5
36.9
56.2
27.7
54.4
1
58.2
45.6
56.2
-10.2
50.9
84.1
47.7
39.3
Find the correlation coefficient and report it accurate to three
decimal places. r =

Here is a bivariate data set.
x
y
2.4
103.6
-6
79.2
14.3
62.7
-3.7
159.5
12.1
107.4
27.6
43
34.9
-95.2
Find the correlation coefficient and report it accurate to three
decimal places.
r =

Here is a bivariate data set.
x
y
2.4
103.6
-6
79.2
14.3
62.7
-3.7
159.5
12.1
107.4
27.6
43
34.9
-95.2
Find the correlation coefficient and report it accurate to three
decimal places.
r =

Here is a bivariate data set.
x
y
49.4
28
38.2
62.8
56.6
120.2
77.9
122.1
58.3
104.8
75.6
117.4
45.7
24
59.5
4.7
31.1
34.4
46.7
73
70.9
107.7
82.2
202.6
52.5
140.7
46.2
87.6
Find the correlation coefficient and report it accurate to three
decimal places.
r =

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