help me find part c thanks

Consider a three-firm supply chain consisting of a retaler, manufacturer and supplier. The retailer's demand over an 8-wook period was 90 units each of the first 2 weeks, 190 nits each of the cond 2 w220 units each of the third 2 weeks, and 410 units each of the fourth 2 weeks. The following table presents the orders placed by each firm in the supply chain. Notions is on the case in pply chain due to economie of scale, that total units are the same in each case, but firms further up the supply chain (way from the retailer) place luger, less frequent orders m Click the icon to view the orders placed by each firm in the supply chain Click the icon to view the ways of calculating the variance - X More info a) What is the bullwhip measure for the retailer? The bullwhip measure for the retailer is 1. Enter your response rounded to two decimal places) Week Rotter Manufacturer Supplier b) What is the bulwhip meature for the manufacturer? 90 100 500 2 00 The bhuti manure for the manufacturer is 62% inter your response rounded to two decimal pow.) 3 700 300 190 What is the bullwhip measure for the supplier? 5 200 Se 1400 6 200 The bulwhip measure for the police Enter your response routed to two decina piacon) 7 410 120 410 1 4 More info Print Done Recall that the sample variance of a dataset can be found by using the VARS function in Excel or by plugging each value of the data set into the formula (x-1 Variance where is the mean of the data and is the number of values in the set Clear all Help me solve this