Stadistica.docx - Bio plasric market The major packaging products in the food service industry are boxes bags and wraps bottles and plastic containers

# Stadistica.docx - Bio plasric market The major packaging...

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Bio plasric market The major packaging products in the food service industry are boxes, bags and wraps, bottles, and plastic containers which include cups, plastic bottles, trays. Critical value is just the result of z or t statistic without going to the table Ask Vinna for the picture Difference between z- statistic and t-statistic In this case the graph is normally distributed. If our n is greater than 30 we use z-statistics, and

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Unformatted text preview: the z probability results shows the probability of obtaining at least one whatever result On the other hand t-statistic is used if our n is smaller than 30. The you would have to use the t table to find the probability of obtaining a t-value at least that extreme Type I Errors and type II Errors. We first obtain the null and alternative hypothesis Comparison of two means summary...
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