PART 1 1. Consider the following data (volume in ml) 235; 272; 269; 251; 235; 246; 239; 265; 272; 244; 282; 294; 237 Calculate the following: All answers should be based on appropriate equations and not manual counting i. Mean ; Variance ; Standard deviation ;n= ii. What proportion of the data given above will have values > 240 ml and how many are these? iii. What proportion of the data will have values < 260 ml and how many are these?

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