Compute the mean and standard deviation of this

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Reference no: EM13451927

Consider the following frequency distribution:

        classes                                   frequenceies

1 to less than 3                                        2

 3 to less than 5                                      5

5 to less than 7                                       12

7 to less than 9                                        6

1.calcuate the Mean , and the Standard Deviation of this distribution, interpret your result

2. find the class that includes the Median

3. what percent to the abservations are less than 7?

Reference no: EM13451927

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