Do the ff:

Task A: Sketch the scatterplot that shows:

a. positive correlation

b. negative correlation

c. zero correlation

Task B: Construct the scatterplot and identify the direction and strength of the relationship for the ff. bivariate data:

Age of a person , in years = 11 | 12 | 13 | 14| 15 | 16 | 17 | 18 | 19 | 20 |

Weight in kg = 40 | 42 | 38 | 35 | 45 | 51 | 48 | 48 | 50 | 47 |

Scatterplot:

Strength:

Direction of points:

Task C: Construct the scatterplot and identify the direction and strength of the relationship for the ff. bivariate data:

Age of a car, in years = 0.5 | 1 | 1.5 | 2 | 3 | 4 | 4.5 | 5 | 6 | 7 |

Milleage, in km/liter = 18 | 15 | 10 | 12 | 10 | 12 | 11 | 10 | 11 | 8 |

Scatterplot:

Strength:

Direction of points: