Indicate the type of statistical test to be used, with justification.

The following are the ages (years) and systolic blood pressures of 20 apparently healthy adults. A researcher wants to know if there is a relationship between the two variables. 131' (Y) I28 BPH') Ase (X) Age on 43 [28 53 I36 63 I41 70 I46 (Continued ) A8900 HP (1') A8000 31' (Y) 26 I26 20 I24 53 I34 63 I43 3| I28 43 I30 58 I36 26 I24 46 I32 I9 I21 58 I40 3| I26 70 I44 23 I23