Which of the following is true when adding a trendine to a Scatter chart? A trendline can be applied to only one data series on a Scatter chart You may need to try a few different trendline types to identify the best fit for a data series, The trendline equation will automatically appear on the chart when the trendline is added to a data series Formatting enhancements cannot be applied to trendlines that are added to a Scatter chart. A trendline is a good fit for a data series if it intersects 2 out of 15 plot points