An expansion ____ is a long-narrow socket on the motherboard into which you can plug an expansion card.

Which of the following statements regarding variance is FALSE?

A) Variance provides a more accurate picture of the dispersion of a data set than a range B) Due to the way variance is calculated, the value is not in the same units as the mean. C) Variance is most useful because its value is in the same unit as the median and therefore easier to interpret. D) The higher the variance calculation the more dispersed the data set.

When you save a presentation that contains photos, PowerPoint automatically compresses the photos to a resolution of 300 pixels per inch (ppi).?

Answer the following statement true (T) or false (F)