Which statement is correct?

a.

The larger the interval, the less the peaks and valleys are smoothed out. The smaller the interval, more different the moving averages are to the actual data points.

b.

Interval will not affect the similarities of the peaks and valleys of the actual and forecasted

c.

The larger the interval, the more the peaks and valleys are smoothed out. The smaller the interval, the closer the moving averages are to the actual data points.