Computing the confidence interval

Topic 

Computing the confidence interval

Instructions 

Read Ch. 8 of Business Statistics: For Contemporary Decision Making.

Consider the following as you read:

  • Think about how you can provide point and confidence interval estimates in personal and professional settings.
  • See how the concepts from the previous chapters build up to help understand this topic.

Answer Preview 

The confidence interval is computed using the formula;

Sample mean ± Margin of error

Where;

  • Margin of error = (t-multiplier × Standard error)

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