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# One sample t test for mean

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An outbreak of food-borne sickness was attributed to Salmonella enteritidis. It determined that the source of the illness was spinach. Nine production runs are sampled from the spinach processing company the spinach to determine the level of Salmonella enteritidis. Levels in MPN/g are as follows:

.793
.519
.392
.419
.593
.142
.329
.691
.231

Determine whether the average level of Salmonella enteritidis in the spinach is greater than .3 MPN/g. Set alpha = .01.

https://brainmass.com/statistics/students-t-test/one-sample-test-mean-214497

#### Solution Preview

Statistics Problem
An outbreak of food-borne sickness was attributed to Salmonella enteritidis. It determined that the source of the illness was spinach. Nine production runs are sampled from the spinach processing company the spinach to determine the level of Salmonella enteritidis. Levels in MPN/g are as follows:

.793
.519
.392
.419
.593
.142
.329
.691
.231 ...

#### Solution Summary

The solution provides step by step method for the calculation of one sample t test statistic . Formula for the calculation and Interpretations of the results are also included. Interactive excel sheet is included. The user can edit the inputs and obtain the complete results for a new set of data.

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