Question

Find the (a) explained variation, (b) unexplained variation, (c) total variation, (d) coefficient of determination, and (e) standard error of estimate sese.

The following table lists numbers xx of patio tiles and costs yy (in dollars) of having them manually cut to fit.

**CO (in grams per meter)**

HC (in grams per meter) | |
---|---|

0.65 | 14.7 |

0.55 | 12.3 |

0.72 | 14.6 |

0.83 | 15.1 |

0.57 | 5.0 |

0.51 | 4.1 |

0.43 | 3.8 |

0.37 | 4.1 |

(a) explained variation (if necessary, round the the nearest hundredth): Answer

(b) unexplained variation (if necessary, round the the nearest hundredth): Answer

(c) total variation (if necessary, round the the nearest hundredth): Answer

(d) coefficient of determination (if necessary, round the the nearest tenth): Answer

(e) standard error of estimate sese (if necessary, round the the nearest tenth): Answer

Answer #1

a)explained variation SSR=144.65

b) unexplained variation =SSE =58.00

c)total variation =SST =202.65

d) coefficient of determination =0.7

e) standard error of estimate se =3.1

Find the explained variation, unexplained variation, total
variation, coefficient of determination, and standard error of
estimate.
Round to a minimum of 4 decimal places, if necessary. Eight
different second-year medical students took blood pressure
measurements of the same patient and the results are listed
below.
Systolic 120 145 149 142 138 121 141 148
Diastolic 80 93 82 76 75 81 94 99
Explained variation-
Unexplained variation-
Total variation-
r2-
se-

Find the explained variation, unexplained variation, total
variation, coefficient of determination, and standard error of
estimate. Round to a minimum of 4 decimal places, if
necessary.
Eight different second-year medical students took blood pressure
measurements of the same patient and the results are listed
below.
Systolic
127
129
122
150
140
121
148
140
Diastolic
85
76
93
95
99
96
88
79
Explained variation
Unexplained variation
Total variation
r2
se

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