Understanding Data Trends and Errors

Understanding Data Trends and Errors

9th Grade

15 Qs

quiz-placeholder

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Understanding Data Trends and Errors

Understanding Data Trends and Errors

Assessment

Quiz

Computers

9th Grade

Practice Problem

Medium

Used 1+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a common data visualisation technique used to display the distribution of a dataset?

Line Graph

Histogram

Pie Chart

Scatter Plot

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of identifying outliers in a dataset?

To increase the dataset size

To improve data accuracy

To make data entry easier

To reduce data redundancy

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statistical analysis method is used to determine the relationship between two variables?

Mean

Median

Correlation

Mode

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in data cleaning best practices?

Removing duplicates

Validating data accuracy

Identifying missing values

Organising data

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a trend in data mining?

Manual data entry

Predictive analytics

Paper-based records

Data hoarding

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a common data entry error that can affect data quality?

Consistent formatting

Typographical errors

Automated data capture

Data validation

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following can lead to misinterpreted data?

Clear data visualisation

Accurate data collection

Ambiguous data labels

Consistent data formatting

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