5. An exponentially smoothed moving average a. excludes older price points in the calculation b. gives more weight to more recent observations c. cannot be plotted on a bar chart d. none of the above e. all of the above 6. Most oscillators are constructed a. so that the mid-point goes through zero b. on a semi-logscale to highlight momentum c. so that all points are positive in value d. without an upper boundary e. none of the above