Question

Find the y-intercept of the regression line for the following data set. Round your answers to 3 decimal places.

X | Y |

2 | 2 |

4 | 7 |

8 | 25 |

10 | 26 |

13 | 38 |

16 | 50 |

Answer #1

Compute the least-squares regression equation for the
given data set. Round the slope and
y
-intercept to at least four decimal places.
x
6
1
4
7
3
y
2
4
1
7
6
Regression line equation: y=?

compute the least-squares regression equation for the
given data set. Round the slope and
y
-intercept to at least four decimal places.
x
7
4
5
2
1
y
2
6
5
1
7
Regression line equation: y=

Compute the least-squares regression equation for the given data
set. Round the slope and y -intercept to at least four decimal
places. x 5 4 2 6 3 y 4 5 1 3 6 Send data to Excel Regression line
equation: = y

Calculate the y-intercept of the least-squares regression line
for the following data set.
x
y
59
-119
24
-35
50
-107
47
-73
41
-78
72
-117
40
-55
Round your answer to two decimal places.

Use the given data to find the equation of the
regression line (round your answers to 3 decimal
places).
x
y
1
0
1
2
2
2
5
3
3
5
y^=b0+b1x
b0: Answer
b1: Answer

Compute the least-squares regression equation for the given data
set. Use a TI-84
calculator. Round the slope and y-intercept to at least four
decimal places.
x
10
6
8
14
−7
−1
7
−9
y
3
1
30
31
0
3
−3
−15
Send data
to Excel
Regression line equation:
=y
the data is the numbers connected to the x and y lines
for x the numbers are 10, 6, 8, 14, -7, -1, 7, -9
for y the numbers...

Determine the equation of the regression line for the following
data, and compute the residuals.
x 16 8 19 13 6
y 46 37 56 43 21
Do not round the intermediate values. (Round your
answers to 3 decimal places.)
y^= ??? + ( ???)x
Do not round the intermediate values. (Round your
answers to 3 decimal places.)
x
y
Residuals
16
46
8
37
19
56
13
43
6
21

Compute the least-squares regression equation for the given data
set. Use a TI- 84 calculator. Round the slope and y -intercept to
at least four decimal places.
x 5 7 6 2 1
y 4 3 2 5 1
Regression line equation: y=

Determine the equation of the regression line for the following
data, and compute the residuals.
x
15
9
18
13
5
y
48
38
56
44
24
Do not round the intermediate values. (Round your
answers to 3 decimal places.)
y^=
+(
)x
Do not round the intermediate values. (Round your
answers to 3 decimal places.)
x
y
Residuals
15
48
9
38
18
56
13
44
5
24

Use the given data to find the equation of the regression line.
Examine the scatterplot and identify a characteristic of the data
that is ignored by the regression line. x 9 8 11 9 10 13 6 4 12 7 5
y 7.24 7.08 13.32 7.2 7.47 8.99 5.84 5.23 8.55 6.61 5.62 Create a
scatterplot of the data. Choose the correct graph below. A.
0510152025 0510152025xy A scatterplot has a horizontal x-scale from
0 to 25 in intervals of...

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