Bone mineral density and cola consumption has been recorded for a sample of patients. Let xx represent the number of colas consumed per week and yy the bone mineral density in grams per cubic centimeter. Based on the data shown below answer the questions rounding your final answers to four decimal places. (a) Create a scatter plot with linear regression line for the data. y =_________ x + ___________
Bone mineral density and cola consumption has been recorded for a sample of patients. Let xx represent the number of colas consumed per week and yy the bone mineral density in grams per cubic centimeter. Based on the data shown below answer the questions rounding your final answers to four decimal places.
(a) Create a
y =_________ x + ___________
(b) Interpret the slope of the regression equation in a complete sentence.
(c) Use the linear
r =
Is there correlation at the 0.05 level of significance? yes or no
(d) According to the linear regression equation, the bone density of someone who drinks 25 colas per week is .
| x | y |
|---|---|
| 3 | 0.9732 |
| 4 | 0.96498 |
| 5 | 0.97576 |
| 6 | 0.96254 |
| 7 | 0.97132 |
| 8 | 0.9681 |
| 9 | 0.95988 |
| 10 | 0.96666 |
| 11 | 0.96444 |
| 12 | 0.95222 |
| 13 | 0.96 |
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