Grouped Descriptive Statistics [20marks]

It was suggested to the retailer that the 130 transaction values could also be summarised in a grouped table (see Table 2 below). Table 2 have been made available in the Excel file named"MN4063QA JULY22CWK1 Data"under the tab namedTask 2. a.Using the two table templates provided in the Excel data file named "MN4063QAJULY22CWK1Data" under the tab labelled Task 2:

Table 2
Expenditure ()	Frequency (f)	midpoint (x)	fx	(x-mean)	(x-mean)2	f(x-mean)2	Frequency Percentage	Cumulative Frequency	Cumulative Frequency Percentage
0 < 100	14	50	700
100 < 200	35	150	5250
200 < 300	65	250	16250
300 < 400	16	350	5600
Total:	130		27800
Mean
Variance	0
Standard Deviation	0

1. Complete table 2 to estimate the mean and standard deviation and to show the percentage frequencies, cumulative frequencies and cumulative percentage frequencies.[12marks](Copy the Excel output (2 tables) and paste it into your Word document)
2. Using table 2 estimate the median expenditure of the consumers by interpolation method[5marks] Required for Task 2(50 words Max)
3. Interpret the median expenditure value of the consumers[3marks]