Question

The sugar content in the beverage drinks of two different brands has been compared. They study showed the summary information shown below for bottles containing 750 millimeters of beverage drink. How many of these bottles of each brand would need to be sampled to estimate the difference in the Mean sugar content to within 0.5 with 95% reliability.

                                        Brand X                                                 Brand Y

Sample size                   23                                                         22

     Mean                                  146                                                      154

    Variance                                    2.4                                                       2.3

Answer 1

Solution:

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