Show all working

The following table shows the number of shirts by sizes that are manufactured in a factory on a particular week: was \"-a- a) It was discovered that the sizing of some shirts was labelled incorrectly. (1) Give two reasons why it would be necessary to examine a sample of the shirts produced rather than examine the entire weekly production. (ii) State two differences between a cluster sample and a stratied random sample in \"HS situation. (iii) Using the stratied random sampling technique, calculate the number of medium shirts that will be selected if we require a sample of 375 shirts. (ivJState one advantage of using stratied random method for collecting this sample. b) Determine the level of measurement that describes the following (i) The size of the shirt that a customer purchased (ii) The total amount paid by the customer (iii) The address of the factory that manufactures the shirts c) A machine packages shirt in bags with a mean weight of 3 kg. A random sample of 20 bags has a mean weight of 3.05 kg with a standard deviation of 0.05kg, From the data given, state the value of a (i) parameter (ii) statistic