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The first statistics exam had a mean of 70 and a standard deviation of 16 points; the second had a mean of 81 and a stan
Posted: Wed May 11, 2022 2:51 pm
by answerhappygod
- The First Statistics Exam Had A Mean Of 70 And A Standard Deviation Of 16 Points The Second Had A Mean Of 81 And A Stan 1 (23.81 KiB) Viewed 36 times
The first statistics exam had a mean of 70 and a standard deviation of 16 points; the second had a mean of 81 and a standard deviation of 3 points. Anna scored a 81 on both tests. Megan scored 85 on the first exam and 77 on the second. They both totaled 162 points on the two exams, but Anna claims that her total is better. Explain The total of Anna's z-scores is which is greater than Megan's total of (Round to one decimal place as needed.)