Question: please answer the following :) 9. The following data comes from a survey of 10 random SMC students. I want to use this survey data

please answer the following :)

9. The following data comes from a survey of 10 random SMC students. I want to use this survey data to make an inference about all SMC students. |2o|2s]24|1s|2o|19|19|21|2n|21| a. (5 points) Calculate the variance of this sample. Show how you calculated this value

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