In addition, the analyst wanted to go deeper into the analysis and wanted to calculate more metrics to understand the customer behavior. The analyst accordingly produced the below table for some selected categories, seetable 3.

Table 3: Descriptive Analysis for some selected categories

Descriptive Metric	Total_Amount	Appliances	Clothing	Entertainment	Fitness	Food	Health	Telcos
Sum	34077.24	5984.32	6967.4	589.08	586.38	779.15	624.72	8972.55
Total Variation	72567931.58	7302091.642	5323442.163	335448.0715	43901.89	156393.6	261346.29	29077726.99
Minimum	22.8	0	0	0	0	0	0	0
Maximum	7178.26	2381.21	1848.36	589.08	139.22	329.46	511.38	4831.79
Median	547.31	0	38.94	0	0	0	0	0
First Quartile	184.9775	0	0	0	0	0	0	0
Third Quartile	1487.4425	42.75	237.6975	0	0	0	0	0

Based on given values in table 3, answer the following questions:

The z-score for the 2nd quartile of the total_amount ($) is:

a.-0.182574186

b.

-0.372087781

c.-0.45117971

d.-0.397529089