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a particular test has a mean of 76 and a standard deviation of 11.4. if a group of 35 students is randomly selected from this

a particular test has a mean of 76 and a standard deviation of 11.4. if a group of 35 students is randomly selected from this population and their mean is 81. Find the value of the associated z-score for this sample.

0.07

0.44

2.59

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