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Lesson Example Discussion Quiz: Class Homework

Quiz At Home

Title: Box and Whisker Plots, Identifying Outliers

Grade: 1400-a Lesson: S4-L6

Explanation: Hello Students, time to practice and review. Let us take next 10-15 minutes to solve the ten problems using the Quiz Sheet. Then submit the quiz to get the score. This is a good exercise to check your understanding of the concepts.

Quiz: at Home

Problem Id	Problem	Options
1	The table shows the heights of seven students. Identify any outlier(s). $1$	A) 55 is an outlier B) 47 is an outlier C) 81 is an outlier D) 61 is an outlier
2	The temperatures (in degrees Celsius) recorded in a city over 30 days are as follows: 25, 16, 19, 17, 28, 18, 19, 20, 21, 21, 22, 29, 23, 23, 24, 25, 24, 26, 26, 27, 28, 28, 29, 32, 30, 31, 32, 32, 33, 34, 35, and 36. Construct a box and whisker plot to represent the temperature distribution.	A) Skewed Right B) Symmetric C) Skewed Left D) None of this
3	Find the interquartile range(IQR). $3$	A) 5 B) 11 C) 9 D) 7
4	The following are the scores obtained by 20 students in a mathematics test 75, 108, 82, 130, 88, 125, 90, 112, 92, 95, 135, 98, 100, 102, 128, 105, 122, 110, 115, and 120. Create a box and whisker plot to represent the distribution of scores.	A) $4.1$ B) $4.2$ C) $4.3$ D) $4.4$
5	Find the interquartile range, and Identify any outlier(s). $5$	A) IQR = 16, outlier is 72 B) IQR = 15, outlier is 50 C) IQR = 16 ,no outlier D) IQR = 15, outlier is 72
6	The following are the heights (in centimeters) of students in a class: 200, 140, 180, 142, 188, 168, 145, 198, 178, 148, 165, 190, 150, 152, 155, 158, 160, 162, 170, 172, 195, 175, 182, 185, and 192. Create a box and whisker plot to display the distribution of heights.	A) Skewed Right B) None of this C) Symmetric D) Skewed Left
7	Identify any outliers in the following data set of house prices (in thousands of dollars): 180, 190, 205, 210, 215, 220, 225, 235, 240, 245, 250, 260, 270, 280, 285, 290, 300, 315, 320, and 400.	A) Outlier: 400 B) Outlier: 320 C) Outlier: 180 D) Outlier: 390
8	The following are the test scores (out of 100) for a group of students in a chemistry class: 85.5, 78.4, 92.1, 88.3, 74.6, 91.0, 85.7, 89.2, 77.8, 83.5, 80.0, 90.4, 84.2, 86.3, 79.5, 87.1, 82.7, 88.9, 81.4, and 93.2. Draw a Box and Whisker plot for the test scores.	A) $8.1$ B) $8.2$ C) $8.3$ D) None of this
9	Identify any outliers in the following data set of monthly expenses (in dollars): 320.5, 330.2, 340.8, 350.4, 360.1, 370.7, 380.3, 390.9, 400.5, 410.2, 420.8, 430.4, 440.0, 450.7, 460.3, 470.9, 480.5, 490.2, 500.8, and 800.0.	A) Outlier: 800.0 B) Outlier: 500.8 C) Outlier: 320.5 D) Outlier: 330.2
10	A group of students took two different exams. Their scores for Exam 1 and Exam 2 are as follows: Exam 1: 56, 75, 89, 65, 92, 78, 85, 90, 83, 73, 68, 77, 94, 88, and 91. Exam 2: 60, 74, 88, 70, 91, 79, 86, 92, 84, 75, 67, 80, 93, 89, and 95. Construct Box and Whisker plots for both Exam 1 and Exam 2 scores.	A) $10.1$ B) $10.2$ C) $10.3$ D) None of this

Problem Id

Problem

Options

The table shows the heights of seven students. Identify any outlier(s).

$1$

A) 55 is an outlier

B) 47 is an outlier

C) 81 is an outlier

D) 61 is an outlier

The temperatures (in degrees Celsius) recorded in a city over 30 days are as follows:
25, 16, 19, 17, 28, 18, 19, 20, 21, 21, 22, 29, 23, 23, 24, 25, 24, 26, 26, 27, 28, 28, 29, 32, 30, 31, 32, 32, 33, 34, 35, and 36.

Construct a box and whisker plot to represent the temperature distribution.

A) Skewed Right

B) Symmetric

C) Skewed Left

D) None of this

Find the interquartile range(IQR).

$3$

A) 5

B) 11

C) 9

D) 7

The following are the scores obtained by 20 students in a mathematics test
75, 108, 82, 130, 88, 125, 90, 112, 92, 95, 135, 98, 100, 102, 128, 105, 122, 110, 115, and 120.

Create a box and whisker plot to represent the distribution of scores.

A) $4.1$

B) $4.2$

C) $4.3$

D) $4.4$

Find the interquartile range, and Identify any outlier(s).

$5$

A) IQR = 16, outlier is 72

B) IQR = 15, outlier is 50

C) IQR = 16 ,no outlier

D) IQR = 15, outlier is 72

The following are the heights (in centimeters) of students in a class:
200, 140, 180, 142, 188, 168, 145, 198, 178, 148, 165, 190, 150, 152, 155, 158, 160, 162, 170, 172, 195, 175, 182, 185, and 192.

Create a box and whisker plot to display the distribution of heights.

A) Skewed Right

B) None of this

C) Symmetric

D) Skewed Left

Identify any outliers in the following data set of house prices (in thousands of dollars):
180, 190, 205, 210, 215, 220, 225, 235, 240, 245, 250, 260, 270, 280, 285, 290, 300, 315, 320, and 400.

A) Outlier: 400

B) Outlier: 320

C) Outlier: 180

D) Outlier: 390

The following are the test scores (out of 100) for a group of students in a chemistry class:
85.5, 78.4, 92.1, 88.3, 74.6, 91.0, 85.7, 89.2, 77.8, 83.5, 80.0, 90.4, 84.2, 86.3, 79.5, 87.1, 82.7, 88.9, 81.4, and 93.2.

Draw a Box and Whisker plot for the test scores.

A) $8.1$

B) $8.2$

C) $8.3$

D) None of this

Identify any outliers in the following data set of monthly expenses (in dollars):
320.5, 330.2, 340.8, 350.4, 360.1, 370.7, 380.3, 390.9, 400.5, 410.2, 420.8, 430.4, 440.0, 450.7, 460.3, 470.9, 480.5, 490.2, 500.8, and 800.0.

A) Outlier: 800.0

B) Outlier: 500.8

C) Outlier: 320.5

D) Outlier: 330.2

A group of students took two different exams. Their scores for Exam 1 and Exam 2 are as follows:

Exam 1: 56, 75, 89, 65, 92, 78, 85, 90, 83, 73, 68, 77, 94, 88, and 91.
Exam 2: 60, 74, 88, 70, 91, 79, 86, 92, 84, 75, 67, 80, 93, 89, and 95.

Construct Box and Whisker plots for both Exam 1 and Exam 2 scores.

A) $10.1$

B) $10.2$

C) $10.3$

D) None of this