You are testing the claim that the mean GPA of night students is different than the mean GPA of day students. You sample 35 night students, and the sample mean GPA is 2.37 with a standard deviation of 0.56

You sample 55 day students, and the sample mean GPA is 2.56 with a standard deviation of 0.49

Assume the variances of both populations are unequal. Calculate the test statistic, rounded to 2 decimal places

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a natural event such as a flood, earthquake, or hurricane that causes great damage or loss of life.

step-by-step explanation:

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.