Elementary Statistics

Elementary Statistics

University

12 Qs

quiz-placeholder

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Elementary Statistics

Elementary Statistics

Assessment

Quiz

Mathematics

University

Practice Problem

Hard

Created by

Anthony Clark

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

What is the Q3 of the data?

37

40

42

46

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

What is the minimum in this data set?

0

4

9

40

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

What is the third quartile (UQ) of the data?

37

38

40

46

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Find the median, first quartile, third quartile, and interquartile range of the data.

32, 53, 72, 66, 47, 54, 49, 67, 71

Median: 54

First Quartile: 49

Third Quartile: 67

IQR: 18

Median: 54

First Quartile: 48

Third Quartile: 69

IQR: 21

Median: 54

First Quartile: 48

Third Quartile: 69

IQR: 22

Median: 54

First Quartile: 49

Third Quartile: 69

IQR: 20

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If x1, x2, x3,….., xn are the observations of a given data. Then the mean of the observations will be:

Total number of observations/Sum of observations

Sum of observations +Total number of observations

Sum of observations/Total number of observations

None of these

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

According to the following box-and-whiskers diagram, which of the following values represents the lower quartile of this data set?

20

28

13

16

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

Given the box plot shown below, which of the following represents the range of this data set?

110

60

40

75

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