What is their z score and percentage of the area
A sample of university students has an average gpa of 2.78 with a standard deviation of 0.45, If they have a GPA that falls in the range between 2.50 and 3.50, what is their z score and percentage of the area do they fall in?
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calculate the sample standard deviation of your data. 145 139 126 122 125 130 96 110 118 118
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