If we wanted to know if there was a statistically significant difference between males and females on the average number of soft drinks they consumed during a week and our test calculated a z of 6.43,this would mean there was no difference in the average number of drinks consumed between the two groups.

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Quizplus · Accepted Answer

A z score of 6.43 indicates a very large difference between the two groups, and is unlikely to be due to chance. Therefore, it suggests that there is a statistically significant difference in the average number of drinks consumed between males and females.

If We Wanted to Know If There Was a Statistically