summative test 1 q4

summative test 1 q4

10th Grade

30 Qs

quiz-placeholder

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summative test 1 q4

summative test 1 q4

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Medium

Created by

ELENA SUMANDO

Used 18+ times

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30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best defines the first quartile (Q1)?

The middle value of the dataset

The highest value in the dataset

The median of the lower half of the dataset

The median of the upper half of the dataset

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many quartiles are there in a dataset?

2

3

4

5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a dataset has 20 values, what position corresponds to the third quartile (Q3)?

5th value

10th value

15th value

20th value

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following measures tells us how far apart the first quartile (Q1) and the third quartile (Q3) are?

Variance

Standard deviation

Interquartile range (IQR)

Mean absolute deviation

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A dataset consists of the numbers: 8, 12, 15, 18, 20, 22, 25, 28, 30. What is the first quartile (Q1)?

13.5

15

18

20

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the interquartile range (IQR) of a dataset is 12 and the first quartile (Q1) is 18, what is the third quartile (Q3)?

24

30

36

40

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A company records the monthly salaries of 10 employees in thousands: 25, 28, 30, 32, 34, 36, 38, 40, 42, 45. What is the median salary?

30

34

35

40

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