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Your Turn / Re: ELCA Membership Numbers
« on: August 03, 2006, 02:49:30 PM »If the bottom number on the graph was 0 and the top was 5.3 million, you're very right that the line would only go down slightly. However, it would also be hard to read or interpret. All he did was set the Y range for 5.3 million max (1987) and 4.85 million min (today's number, I guess) so that the graph is easier to read and interpret. By doing that, you're simply able to see graphically that there has been a steeper decline from ca. 2001 until the present.
There is nothing deceptive -- it's just easier to read that way. But you do need to know what a graph is and what numbers to look at.
Umm...no. "Easier to read" in not a primary consideration when presenting statistical data, and in fact, Pr. Austin is quite correct in pointing out that this graph (deliberately?) distorts the x-axis.
A more realistic graph would use a 0 - 5.3 million x-axis and then display only the top 4-5.3 million portion. That would then accurately portray the trend, including the steeper decline in the years following 2001.