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Find the following descriptive measures: a. Mean b. Standard Deviation (I don't know if the data set is sample or population) c. Variance d. Range

Find the following descriptive measures:

a. Mean

b. Standard Deviation (I don't know if the data set is sample or population)

c. Variance

d. Range

e. Data Analysis or findings

The following data are scores of students on a 50-item Achievement Test in Mathematics I:

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