Question 1178633


Two variables have a {{{positive}}}{{{ association }}}when the values of one variable tend to {{{increase}}} as the values of the other variable {{{increase}}}. 

Two variables have a {{{negative}}}{{{ association}}} when the values of one variable tend to {{{decrease}}} as the values of the other variable {{{increase}}}.

if the number of times a pencil is sharpened  {{{increase}}},  its length  will {{{decrease}}}

so, answer is: a {{{negative}}}{{{ association}}}