IM Unit 1 Lesson 14 - Outliers

IM Unit 1 Lesson 14 - Outliers

9th Grade

11 Qs

quiz-placeholder

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IM Unit 1 Lesson 14 - Outliers

IM Unit 1 Lesson 14 - Outliers

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Medium

CCSS
HSS.ID.A.3, HSS.ID.A.2

Standards-aligned

Created by

Carrie Kuziel

Used 39+ times

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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

How do we calculate the IQR of a data set?

Q1 + Q3

Q3 - Q1

Q1 - Q3

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

When using the IQR to find outliers, which formula will identify the upper limit?

Q3 - 1.5(IQR)

Q1 + 1.5(IQR)

Q1 - 1.5(IQR)

Q3 + 1.5(IQR)

Tags

CCSS.HSS.ID.A.3

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

When using the IQR to find outliers, which formula will identify the lower limit?

Q3 - 1.5(IQR)

Q1 + 1.5(IQR)

Q1 - 1.5(IQR)

Q3 + 1.5(IQR)

4.

MULTIPLE CHOICE QUESTION

3 mins • 5 pts

Given the data set: 23, 34, 27, 12, 30, 26, 28, 31, 34

Find the IQR.

8

9

24.5

32.5

Tags

CCSS.HSS.ID.A.2

5.

MULTIPLE CHOICE QUESTION

3 mins • 5 pts

DO NOT CLEAR YOUR CLACULATOR!

The IQR for the data set was 8 and Q1 = 24.5.

What is the lower "fence" for the data set?

24.5

8

12.5

1.5

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Using the formula Q1 - 1.5(IQR), you get a lower fence of 12.5.

Data set: 23, 34, 27, 12, 30, 26, 28, 31, 34

Are there any values lower than 12.5 in the data set?

yes

no, there are no outliers on the low end of the data

Tags

CCSS.HSS.ID.A.3

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Since there are numbers less than 12.5, what is the outlier?

12.5

12

Tags

CCSS.HSS.ID.A.3

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