Table 2a: Summary for the Sum of the Total_Amount (Gender versus Marital_Status)

	Female	Male	Grand Total
Divorced	505.32		505.32
Married	4354.07	19021.06	23375.13
Single	1074.22	8971.38	10045.6
Widow	151.19		151.19
Grand Total	6084.8	27992.44	34077.24

Table 2b: Summary for the Count of the Total_Amount (Gender versus Marital_Status)

	Female	Male	Grand Total
Divorced	1		1
Married	7	14	21
Single	3	4	7
Widow	1		1
Grand Total	12	18	30

Table 2c: Summary for the Variance of the Total_Amount (Gender versus Marital_Status)

	Female	Male	Grand Total
Divorced
Married	397600.4597	3796370.421	2713535.577
Single	127424.6785	3315939.532	2715405.869
Widow
Grand Total	266016.7452	3631348.173	2502342.468

Table 2d: Possible t-value at 95% confidence level for each customer category

	Female	Male	Grand Total
Divorced
Married	2.446912	2.160369	2.085963447
Single	4.302653	3.182446	2.446911851
Widow
Grand Total	2.200985	2.109816	2.045229642

Based on the above tables, 2a, b, c and d, answer the following questions:

The average total amount ($) for married female customers is:

a.358.0733

b.1113.101429

c.

622.01

d.151.19