ISEE Middle Level Math : Data Analysis

Study concepts, example questions & explanations for ISEE Middle Level Math

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Example Questions

Example Question #52 : How To Find Median

Find the median in this set of numbers:

\displaystyle 61, 68, 60, 67, 66, 60, 63

Possible Answers:

\displaystyle 63

\displaystyle 60

\displaystyle 66

\displaystyle 8

\displaystyle 61

Correct answer:

\displaystyle 63

Explanation:

First order the numbers from least to greatest:

\displaystyle 60, 60, 61, 63, 66, 67, 68

Then, identify the middle number:

\displaystyle 63

Answer: \displaystyle 63

Example Question #451 : Data Analysis

Find the median for this set of numbers:

\displaystyle 33, 39, 35, 33, 36

Possible Answers:

\displaystyle 35

\displaystyle 39

None of these

\displaystyle 33

\displaystyle 36

Correct answer:

\displaystyle 35

Explanation:

First order the numbers from least to greatest:

\displaystyle 33, 33, 35, 36, 39

Then identify the middle number: \displaystyle 35

Answer: \displaystyle 35

Example Question #452 : Data Analysis

\displaystyle \left \{ 11,10,9,10,15,12,10 \right \}

Find the median of the data set above.

Possible Answers:

\displaystyle 10

\displaystyle 10.5

\displaystyle 12

\displaystyle 11

\displaystyle 15

Correct answer:

\displaystyle 10

Explanation:

To find the median of a data set, you have to put the set in order from least to greatest \displaystyle (9,10,10,10,11,12,15). Then cross out one number from each side until you are left with the middle number, or the median. In this case, it's 10.

Example Question #453 : Data Analysis

Find the median in this set of number:

\displaystyle 43,34,39,48,35,43,46

Possible Answers:

\displaystyle 43

\displaystyle 44

\displaystyle 39

\displaystyle 48

\displaystyle 42

Correct answer:

\displaystyle 43

Explanation:

First order the numbers from least to greatest:

\displaystyle 34, 35, 39, 43, 43, 46, 48

Then, identify the middle number:

\displaystyle 43

Answer: \displaystyle 43

Example Question #455 : Data Analysis

Find the median for this set of numbers:

\displaystyle 87,88,81,82,86,81,80

Possible Answers:

\displaystyle 84

\displaystyle 85

\displaystyle 86

\displaystyle 82

\displaystyle 81

Correct answer:

\displaystyle 82

Explanation:

First, order the numbers from least to greatest:

\displaystyle 80, 81, 81,82, 86, 87,88

Then, identify the middle number. Since there are seven numbers total, the middle will be the fourth number from either end: \displaystyle 82

Answer: \displaystyle 82

Example Question #453 : Data Analysis

Find the median in this set of numbers:

\displaystyle 589, 588, 584, 586, 586

Possible Answers:

\displaystyle 584

\displaystyle 589

\displaystyle 588

\displaystyle 586

Correct answer:

\displaystyle 586

Explanation:

First order the numbers from least to greatest:

\displaystyle 584, 586, 586, 588, 589

Identify the middle number: \displaystyle 586

Answer: \displaystyle 586

Example Question #764 : Isee Middle Level (Grades 7 8) Mathematics Achievement

Find the median in this set of numbers:

\displaystyle 23,25,27,22,24

Possible Answers:

\displaystyle 22

\displaystyle 23

\displaystyle 25.5 

\displaystyle 24

\displaystyle 27

Correct answer:

\displaystyle 24

Explanation:

First order the numbers from least to greatest:

\displaystyle 22,23,24,25,27

Then, identify the middle number: \displaystyle 24

Answer:\displaystyle 24

Example Question #764 : Isee Middle Level (Grades 7 8) Mathematics Achievement

Find the median for this set of numbers:

\displaystyle 50, 58, 56, 59, 57

Possible Answers:

\displaystyle 57

 \displaystyle 55

\displaystyle 59

\displaystyle 50

\displaystyle 58

Correct answer:

\displaystyle 57

Explanation:

First, order the numbers from least to greatest:

\displaystyle 50, 56, 57, 58 ,59

Then, identify the middle number: \displaystyle 57

Answer: \displaystyle 57

Example Question #766 : Isee Middle Level (Grades 7 8) Mathematics Achievement

Find the median for this set of numbers:

\displaystyle 29, 23, 26, 28, 21

Possible Answers:

\displaystyle 28

\displaystyle 26

\displaystyle 24

\displaystyle 23

\displaystyle 29

Correct answer:

\displaystyle 26

Explanation:

First order the numbers from least to greatest:

\displaystyle 21, 23, 26, 28, 29

Then, identify the middle number: \displaystyle 26

Answer: \displaystyle 26

Example Question #454 : Data Analysis

Find the median in this set of numbers:

\displaystyle 35, 34, 32, 36, 38

Possible Answers:

\displaystyle 35

\displaystyle 36

\displaystyle 6

 

\displaystyle 34

Correct answer:

\displaystyle 35

Explanation:

First, order the numbers from least to greatest:

\displaystyle 32,34,35,36,38

Identify the middle number: \displaystyle 35

Answer: \displaystyle 35

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