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Look up the daily trading volume for the following stocks during a recent five-day period:
- Merck
- Caterpillar
- Intel
- McDonald’s
- General Electric
Randomly select five stocks from the NYSE, and examine their daily trading volume for the same five days.
- What are the average volumes for the two samples?
- Would you expect this difference to have an impact on the efficiency of the markets for the two samples? Why or why not?