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# Confidence Interval

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How do you figure a 90% confidence interval for the mean weight of all Siberian tigers in captivity from various zoo's, where the random sample is 31, the mean weight is 507 pounds from sample zoo's, with a standard deviation of 62 pounds?

##### Solution Summary

The confidence interval for the mean weight of samples are given. The mean weight of Siberian tigers from sample zoo's are computed. The solution answers the question(s) below.

##### Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

##### Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

##### Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.