Question

Here is a bivariate data set. Find the regression equation for the
response variable *y*.

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

26.7 | -82 |

59.8 | 204.5 |

58.3 | 68.3 |

56.4 | 124.3 |

21.1 | 18.8 |

33.1 | 59.9 |

15.2 | -31.8 |

37 | 12.8 |

36.8 | -48 |

53.8 | 17.4 |

53.1 | 88.4 |

60.2 | 100 |

35.6 | 30 |

51.4 |
62.5 |

Answer #1

We can directly use here Excel for regression,

Step1) Enter data in Excel.

Step 2) Data >>data analysis >>Regression >> select x and y values separately >>ok

We have regression equation for response variable y is,

Here is a bivariate data set. Find the regression equation for
the response variable y.
x
y
53.1
41.9
29.1
57.1
49
39
45.6
31.3
29.9
30.2
36.5
27.4
14.2
45.6
44.7
51.3
regression equation:
Enter the equation in slope-intercept form with parameters accurate
to three decimal places.

Here is a bivariate data set. Find the regression equation for
the response variable y.
x
y
40.5
-14.4
30.8
-26.7
38.8
-28
57.2
8.3
48.2
68
70
63.1
70.5
28.8
87.1
123.5
43.1
12.7
regression equation:
Enter the equation in slope-intercept form with parameters accurate
to three decimal places.

For each X-Y data set (n = 12):
Data Set (a)
X
64.7
25.9
65.6
49.6
50.3
26.7
39.5
56.0
90.8
35.9
39.9
64.1
Y
5.8
18.1
10.6
11.9
11.4
14.6
15.7
4.4
2.2
15.4
14.7
9.9
Data Set (b)
X
55.1
59.8
72.3
86.4
31.1
41.8
40.7
36.8
42.7
28.9
24.8
16.2
Y
15.7
17.5
15.2
20.6
7.3
8.2
9.8
8.2
13.7
11.2
7.5
4.5
Data Set (c)
X
53.3
18.1
49.8
43.8
68.3
30.4
18.6...

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