Calculate the linear regression, correlation coefficient, and estimate an average for the data set.

distance in meters | heart rate |
---|---|

105 | 142 |

125 | 110 |

115 | 120 |

140 | 98 |

145 | 102 |

160 | 89 |

170 | 72 |

140 | 100 |

130 | 107 |

105 | 113 |

## Step 1

Select **STAT **or click **2** from the main menu to enter the function.

## Step 2

Enter the data in List 1 and List 2.

## Step 3

Click **GRPH F1 **to see the scatter plot.

## Step 4

To see the mean, click **CALC F1**, then **2VAR F1**.

## Step 5

To see the linear regression and correlation coefficient, click **CALC F1, **then** X F2, **then **ax+b F1.**

## Step 6

Click **DRAW F6** to see the regression line on the graph.