# Randomness in a Data File

What is randomness? Assume you have an Excel worksheet of the dimension, A1:E101. The first row contains data labels. How would you randomize the data file and to select a simple random sample of 10 items from the dataset?What are N, Ni and n?

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#### Solution Preview

What is randomness?

According to the Free Dictionary (http://www.thefreedictionary.com/randomness):

ran·dom (rndm)

adj.

1. Having no specific pattern, purpose, or objective: random movements. See Synonyms at chance.

2. Mathematics & Statistics Of or relating to a type of circumstance or event that is described by a probability ...

#### Solution Summary

The concept of randomness is defined and is further explained within a context of an Excel worksheet.

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