Crowdly

Visualizing the data

Checking column names

Counting the number of records

The employee should submit the reimbursement request within ________ from the date

of the expense

5 working days

15 working days

7 working days

From whom an employee must get approval via mail before proceeding with the business travel

or any other expenses?

Both

What is a risk of dropping records with discrepancies?

Introduction of bias in the analysis

Improved model accuracy

Increased computation time

Better data clarity

What type of transformation rescales variables into a fixed range, typically 0 to 1?

Log transformation

Z-score normalization

Power transformation

Min-max scaling

What should you consider before treating a data value as an error?

The size of the dataset

The data collection method and context

The format of the spreadsheet

Whether it appears more than once

What is a potential reason for missing location data in customer records?

Customer refused a discount

Data was overfitted

Duplicate entries

Privacy concerns

What should you ideally do if you suspect a record is erroneous but can't confirm it?

Replace it with zero

Keep it in the dataset

Delete the entire dataset

Mark it as missing

4. Expenses based on the bills raised by the employee while on a business tour with officials or at official meetings which should be approved by the RM.

What is counted in travel expenses?

1. The employee travel to/from the office for the purpose of work.

2. Traveling cost for WFH Employee if they have to travel more than once a month

3. Traveling cost for employees who are on temporary WFH

2&3

2&4

1&3

Which investment banking service involves providing expert advice on

mergers and acquisitions?

A) Underwriting

D) Asset Management

C) Sales and Trading

B) Advisory Services