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The following data are the distances between 20 retail stores and a large distribution center. The distances are in miles.
29; 33; 34; 40; 58; 67; 68; 69; 76; 83; 84; 95; 96; 96; 99; 106; 112; 127; 145; 150
Use a graphing calculator or computer to find the standard deviation and round to the nearest tenth.

Respuesta :

Using it's concept, the standard deviation of the data-set is of 34.2.

What are the mean and the standard deviation of a data-set?

  • The mean of a data-set is given by the sum of all values in the data-set, divided by the number of values.
  • The standard deviation of a data-set is given by the square root of the sum of the differences squared between each observation and the mean, divided by the number of values.

Having this in mind, and inserting the data-set in the calculator, it is found that:

  • The mean is of 83.4.
  • The standard deviation is of 34.2.

More can be learned about the standard deviation of a data-set at https://brainly.com/question/12180602

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