Question

Use the data values in the table below to calculate the correlation between the variables x and y.

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

4 | 30.72 |

5 | 30.06 |

6 | 26.4 |

7 | 23.64 |

8 | 19.88 |

9 | 19.52 |

10 | 14.56 |

11 | 13.7 |

Give your answer to **three decimal** places.

Answer #1

Given :

Given data :

x | y |

4 | 30.72 |

5 | 30.06 |

6 | 26.4 |

7 | 23.64 |

8 | 19.88 |

9 | 19.52 |

10 | 14.56 |

11 | 13.7 |

The correlation between the variables x and y is -0.9893

Use the data values in the table below to calculate the
correlation, r, between the variables x and y.
Hint: Use technology to do this...you do not need to compute
this by hand.
x
y
1
17.98
2
21.56
3
25.84
4
27.72
5
27.4
6
29.18
7
33.56
8
32.44
9
35.82
Give your answer to rounded three decimal places.

Calculate the linear correlation coefficient for the data
below.
Calculate
the linear correlation coefficient for the data below.
x : 4, 6, 13, 10, 8, 7, 9, 11, 12, 5
y : 17, 12, 0, 5, 9, 10, 7, 2, 1, 14

Calculate the correlation coefficient, r, for the data
below.
Calculate the correlation coefficient, r, for the data
below.
X= -10 -8 -1 -4 -6 -7 -5 -3 -2 -9
Y= -15 -13 4 -4 -7 -11 -6 -2 1 -13

Based on the data shown below, calculate the correlation
coefficient (rounded to three decimal places)
x
y
5
17.78
6
18.86
7
16.44
8
17.32
9
18.4
10
17.08
11
16.26
12
16.94
13
16.92
14
14

Based on the data shown below, calculate the correlation
coefficient (rounded to three decimal places)
x
y
1
8.32
2
12.24
3
11.46
4
15.78
5
20.2
6
20.42
7
23.94
8
27.96
9
27.48
10
31.5
11
33.82
12
38.24

Based on the data shown below, calculate the correlation
coefficient (rounded to three decimal places)
x
y
5
10.7
6
11.76
7
9.72
8
10.78
9
13.94
10
13.3
11
13.06
12
15.12
13
16.68
14
14.84
15
15.1
16
17.96

Based on the data shown below, calculate the correlation
coefficient (to three decimal places)
x
y
4
44.7
5
45.55
6
41.3
7
38.35
8
37.9
9
34.55
10
31.8
11
28.95
12
28.6
13
23.25
14
23.1
15
19.15
16
17.9

Based on the data shown below, calculate the correlation
coefficient (rounded to three decimal places)
x
y
5
21.15
6
24.16
7
26.07
8
26.18
9
29.09
10
31

Based on the data shown below, calculate the correlation
coefficient (to three decimal places)
x
y
5
65.8
6
68.4
7
73.6
8
70.8
9
75.8
10
77.4
r=r=

Based on the data shown below, calculate the correlation
coefficient (to three decimal places)
x
y
3
6.76
4
6.55
5
9.54
6
6.53
7
7.52
8
5.71
9
5

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