Task 3: Data Types [3 marks] The kitchen appliances retailer seeks to survey its customers to gain insights into key consumer characteristics, including demographic profiles and lifestyle preferences. it is believed this will help the company better understand its target consumers and strengthen its position in the market. However, before outsourcing the data collection eldwork, the retailer seeks clarification on data types, as outlined in the requirements below. Required for Task 3 {Comments for task 3 should not exceed 100 words in total.) With reference to examples relevant to the retailer's information needs, discuss the differences between cross-sectional data and time series data and clearly state whether cross-sectional data, time series data or both types of data should be collected to gain insights into the demographic prole and lifestyle characteristics of its customers. {Use and credit one source. The citation and reference must be credited using the Hormrdmethod. The reference is exciudedfmm the loo-word iimit). Task 4: Networking [12 marks] The retailer has seen a shift in the way in which consumers purchase items, such as kitchen appliances. Online retailing now accounts for over 80% of their sales and, to reect this change, the retailer has decided to convert some of its retail space into warehouse space. This conversion project consists of 10 activities. For example, Activity (3 takes 3 weeks to complete and can only be started after Activity A has been completed. Information on the 10 activities is outlined in Table 3 below. Table 3 - Precedence Table Required for Task 4 (Comments for task 4 should not exceed 50 words in total.) a. With reference to Table 3, construct a network diagram by going through the forward and backward passes. You may draw your network diagram in Excel or Word. The network diagram needs to be copied into your Word file. b. Identify the critical path and duration of the project. :2. Comment on the distinction between critical and non-critical activities