# MATH ~~

posted by
**Peter**
.

HELP Please!!

Sample autocorrelations at lag1, lag2, and lag3 denoted by r1, r2, and r3 of weekly sales of shampoo bottles was found 0.4551, 0.3376, and 0.2514. Using the criteria of your text, the maximum number (ānā) of weeks for shampoo bottles sales to be stationary will be

a.104 b.52 c.140

d.None of them