How to find mode

Practice Questions

ISEE Upper Level (grades 9-12) Quantitative Reasoning › How to find mode

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1

Consider the data set

$\left { 5, 8, 9, 12, 5, 7, 10, 5, N \right }$ ,

where is unknown.

Which is the greater quantity?

(a) The mode of the data set

(b) 5

2

A data set has six known quantities and one unknown quantity, as follows:

$\left { 15, 25, 25, 35, 35, 40, N \right }$

Which is the greater quantity?

(A) The mode of the set if

(b) The mode of the set if

3

Compare the median and the mode in the following set of data:

$\left { 0,0.1,0.1,0.01,0.01,0.01,0.001 \right }$

4

Compare the mean and the mode in the following set of data:

$\left { \frac{1}{2},\frac{2}{3},\frac{3}{4},\frac{5}{6},\frac{1}{2} \right }$

5

Examine the data set $\left { 4, 7, 3, 4, 9, 4, 7, 2, 10, N\right }$ . You are given that can be any integer from 1 to 10.

Which value(s) of would make 7 the only mode of the data set?

6

Consider the following set of data where is an unknown value:

$\left { 4,3,2,4,7,11,4,x,4 \right }$

Which one is greater:

$(a)\ The\ mode \ of\ the \ data\ set$

$(b)\4$

7

Consider the data set $\left {10, 12, 13, 13, 13, 15, 16, 17, 19, 20\right }$

Which is the greater quantity?

(a) The median of the data set

(b) The mode of the data set

8

Both

$\left { 1, 1, 2, 2, 2, 3, 4, A \right }$

and

$\left { 1, 1, 2, 2, 3, 3, 4, B \right }$

are data sets with 2 as their only mode.

Which is the greater quantity?

(a)

(b)

9

Compare the median and the mode in the following set of data:

$\left { 12,14,16,20,20,171,20,15 \right }$

10

$\left { A,B, 1, 2, 3, 4,5 \right }$

is a data set with exactly one mode.

$\left { A, 1, 2, 3, 4,5 \right }$

is a data set with exactly one mode.

$\left { B, 1, 2, 3, 4,5 \right }$

is a data set with exactly one mode.

Which is the greater quantity?

(a)

(b)

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