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Data Analysis - Quiz 1

Authored by G_Sabado, Camille

Information Technology (IT)

University

Used 1+ times

Data Analysis - Quiz 1
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20 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Nick is starting a new Excel course on Data Analysis. What should he do first before analyzing data?

Collect and clean relevant data
Create charts immediately
Ignore missing values
Delete random data points

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A startup company needs help understanding its sales performance. What should they perform first?

Data cleaning
Exploratory Data Analysis
Data entry
Marketing research

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Bananas, a SaaS company, wants to find sales trends. What type of data analysis helps in spotting patterns?

Descriptive statistics
Exploratory Data Analysis
Inferential analysis
Regression analysis

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

An analyst begins by checking for missing values and outliers. Which step of EDA is this?

Preparing the data
Visualizing data
Formulating hypotheses
Calculating the mean

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Before doing any analysis, an analyst explores the dataset for patterns. Why is this step important?

It helps avoid errors and misunderstandings
It saves storage space
It reduces file size
It deletes duplicate data

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A dataset has values 5, 10, 15, 20, and 25. What is the mean?

15
10
20
12

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The sales data of a company shows 100, 200, 300, 400, and 500. What is the range?

400
500
300
200

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