Quiz In Class

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: in Class

Problem Id Problem Options

1

The following data represents the number of goals scored by a soccer team in each match of a season:
1, 0, 3, 2, 4, 1, 0, 2, 1, 3, 2, 1, 0, 2, and 1. Draw a box and whisker plot for the data.

A) 1.1

B) 1.2

C) 1.3

D) 1.4

2

Consider the following dataset representing the number of daily steps taken by a group of individuals over a week: 5000, 5200, 5300, 5500, 5600, 5800, 6000, 6200, 6300, 6500, 6700, 6900, 7100, 7300, 7500, and 12000. Determine if there are any outliers in the dataset using the \$1.5 \times "IQR"\$ rule. Create a box plot to visualize the data and identify any outliers.

A) 13000

B) 12000

C) 12500

D) 13500

3

Which team has the greatest spread?

3

A) None

B) Both

C) Team 1

D) Team 2

4

You have the following dataset representing the scores of students in a math test:
55, 57, 60, 61, 65, 67, 68, 70, 70, 72, 73, 75, 75, 78, 80, 82, 84, 85, 88, 90, 92, 95, 98, and 100.
Identify the outliers in the dataset using the Interquartile Range (IQR) method.

A) 49.23, 114.23

B) 47.56, 112.75

C) 45.23, 113.69

D) 42.75, 112.75

5

Calculate the IQR for school 1.

5

A) 13

B) 17

C) 15

D) 20

6

Given the dataset of daily temperatures (in °F) recorded over a month:
45, 47, 50, 51, 52, 53, 55, 56, 57, 58, 59, 60, 61, 62, 62, 63, 64, 65, 66, 67, 68, 70, 72, 74, 76, 78, 80, 85, 90, and 95.
Identify any outliers in the dataset using the Interquartile Range (IQR) method.

A) 90, 98

B) 95, 96

C) 90, 95

D) 92, 97

7

Given the following data set:
12, 15, 22, 29, 35, 42, 49, 53, 60, and 68.
Find the five-number summary (Min, Q1, Median, Q3, Max).

A) Min: 12
Q1: 22
Median(Q2): 38.5
Q3: 53
Max: 68

B) Min: 14
Q1: 22
Median(Q2): 38.5
Q3: 55
Max: 69

C) Min: 12
Q1: 24
Median(Q2): 39.6
Q3: 57
Max: 68

D) Min: 22
Q1: 29
Median(Q2): 38.5
Q3: 65
Max: 75

8

The following data represents the scores of 10 students in a mathematics quiz: 6, 7, 8, 8, 9, 10, 11, 12, 14, and 16. Calculate the interquartile range.

A) 5

B) 7

C) 9

D) 11

9

Which class has a greater interquartile range (IQR)?

9

A) Class A

B) Both

C) Class B

D) None

10

The following data represents the test scores of 12 students in a class: 78, 80, 82, 85, 88, 90, 91, 92, 94, 96, 98, and 150. Calculate the interquartile range and identify any outliers.

A) IQR: 12.3, Outlier: 152

B) IQR: 11.5, Outlier: 150

C) IQR: 13.5, Outlier: 155

D) IQR: 11.5, Outlier: 157


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