Posted by **David** on Sunday, October 10, 2010 at 12:32pm.

There are 50 members.

Melvin wants to collect some infromation from seven of them.

Explain how he can do this using the following set of random numbers:

86, 13, 84, 10, 07, 30, 39, 65, 97,

96, 88, 12, 39, 26, 04, 89

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**David**, Sunday, October 10, 2010 at 1:20pm
any help?

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**PsyDAG**, Sunday, October 10, 2010 at 1:48pm
If each member is alphabetically assigned a number from 1-50, use the first seven applicable numbers to pick the subjects. Roll a die to pick the starting point in the series.

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**David**, Sunday, October 10, 2010 at 1:57pm
Could you rephrase that please, I'm not getting the logic.

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**PsyDAG**, Monday, October 11, 2010 at 12:44pm
Since there are only 50 possible subjects, numbers > 50 do not make sense. (Or possibly you could subtract 50, if that number is chosen.)

The alphabetical order is merely to assign numbers to the members.

The role of the die to pick the starting number makes the designation more random.

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