Melinda is analyzing Wal-Mart's stock over the past three months and notices that the price has ranged from $51 to $53 per share.
Joshua is analyzing Merck's stock over the past five years and notices that the price has ranged from $20 to $65 a share over that period.
Which analyst would be more likely to use an arithmetic scale, and which analyst would be more likely to use a logarithmic scale to analyze price information? Explain your reasoning.