### All ISEE Middle Level Math Resources

## Example Questions

### Example Question #1 : How To Find Mode

On the last day of school,Adam asked each of his classmates how many days of school they missed for the entire school year. He created a stem-and-leaf plot with the information.

0 | 0 0 2 4 5 6 8

1 | 0 0 1 2

2 | 3

4 | 7

What is the mode(s) of the stem-and-leaf plot?

**Possible Answers:**

**Correct answer:**

The mode of a set of data is the value that occurs the most frequently.

Here, 0 occurs twice on the first line, and twice on the second line. These are different values since the left side of the vertical line represents the ten's place. So on the first line, the "0" represents 0, and on the second line the "0" represents 10. So 0 occurs twice, and ten occurs twice.

It is possible to have more than one mode. If multiple values occur more than once, occur the same number of times as each other, and occur more than any other values, then they are both modes.

### Example Question #2 : How To Find Mode

What is the mode of 43, 23, 56, 44, 47, and 43?

**Possible Answers:**

**Correct answer:**

The mode is the number that appears most frequently. All the numbers appear once, except for 43, which occurs twice. 43 is the mode of this number set.

### Example Question #3 : How To Find Mode

Find the mode: 45, 38, 29, 12, 38, 20, 13.

**Possible Answers:**

**Correct answer:**

Identlfy the number that appears most frequently in the set.

The answer is 38.

### Example Question #4 : How To Find Mode

Find the mode: 213, 144, 213, 788, 532, 532, 965, 690, 532, 714.

**Possible Answers:**

**Correct answer:**

Identlfy the number that appears most frequently in the set.

The answer is .

### Example Question #5 : How To Find Mode

Find the mode in this set of numbers:

7435, 8976, 2784, 7435, 1289, 8976, 2110, 8992, 8976, 2784.

**Possible Answers:**

**Correct answer:**

Find the most recurring number in the set.

The answer is

### Example Question #6 : How To Find Mode

Find the mode in this set of numbers:

22, 24, 28, 23, 27, 24, 29, 35, 23, 42, 42, 24, 26, 25, 26.

**Possible Answers:**

**Correct answer:**

Find the number that appears most frequently.

Answer: The mode is 24.

### Example Question #7 : How To Find Mode

Fidn the mode in this set of numbers:

112, 121, 123, 132, 121, 211, 120, 122, 121, 131, 133, 113, 311, 121, 211.

**Possible Answers:**

**Correct answer:**

Find the number that appears most frequently. |

Answer: The mode is 121.

### Example Question #8 : How To Find Mode

Find the mode in this set of numbers:

9881, 9889, 9818, 9981, 9891, 9918, 9989, 9889, 9198

**Possible Answers:**

**Correct answer:**

Identify the most recurring number in the set:

Answer: The mode is 9889.

### Example Question #9 : How To Find Mode

Find the mode in this set of numbers:

2521, 2512, 2525, 2552, 2551, 2525, 2515

**Possible Answers:**

**Correct answer:**

First, order the numbers from least to greatest:

Identify the most recurring number:

Answer: The mode is 2525.

### Example Question #10 : How To Find Mode

Find the mode in this set of numbers:

3343, 4434, 4334, 3343, 4343, 3434, 3334

**Possible Answers:**

**Correct answer:**

Identify the most recurring number:

Answer: The mode is 3343.

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### All ISEE Middle Level Math Resources

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