Question: Consider the following grouped sample data: Values Frequency 0 to under 2 4 2 to under 4 2 4 to under 6 9 6 to

Consider the following grouped sample data:

Values Frequency 0 to under 2 4 2 to under 4 2 4 to under 6 9 6 to under 8 7

a. Calculate the approximate mean of these sample data.

b. Calculate the approximate standard deviation of these sample data.

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