Module 1 Practice Questions (2)

Module 1 Practice Questions (2)

Assessment

Flashcard

Mathematics

University

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a boxplot?

Back

A boxplot is a graphical representation of a dataset that displays the distribution's minimum, first quartile (Q1), median, third quartile (Q3), and maximum. It helps identify outliers and the spread of the data.

2.

FLASHCARD QUESTION

Front

What does the interquartile range (IQR) represent?

Back

The interquartile range (IQR) is the range between the first quartile (Q1) and the third quartile (Q3) in a dataset. It measures the spread of the middle 50% of the data.

3.

FLASHCARD QUESTION

Front

How do you identify outliers in a dataset using the IQR?

Back

Outliers can be identified using the IQR by calculating the lower bound (Q1 - 1.5 * IQR) and the upper bound (Q3 + 1.5 * IQR). Any data points outside these bounds are considered outliers.

4.

FLASHCARD QUESTION

Front

What is a histogram?

Back

A histogram is a graphical representation of the distribution of numerical data, where the data is divided into bins or intervals, and the frequency of data points in each bin is represented by the height of the bars.

5.

FLASHCARD QUESTION

Front

What is the purpose of a five-number summary?

Back

A five-number summary provides a quick overview of a dataset by summarizing its minimum, first quartile (Q1), median, third quartile (Q3), and maximum, helping to understand its distribution.

6.

FLASHCARD QUESTION

Front

What does the median represent in a dataset?

Back

The median is the middle value of a dataset when it is ordered from least to greatest. It divides the dataset into two equal halves.

7.

FLASHCARD QUESTION

Front

What is the significance of the first quartile (Q1)?

Back

The first quartile (Q1) is the value below which 25% of the data falls. It helps to understand the lower end of the data distribution.

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