Find Questions

3555 questions matched your search criteria.
 

Look at the following set of data.

61 51 89 69 33 66 43 98 60 58
55 61 77 52 49 63 22 67 50 83
80 12 45 64 65 52 64 71 44 31

What is the median?

 

A.

60.5

 

B.

58

 

C.

70

 

D.

57

23 September 2011 · Mindset · 1 marks · 1 mins

Rodney wanted to survey the numbers of people travelling in cars passing his house. The numbers of people were
2 2 2 2 2 2 1 1 1 1 1 1 3 3 3 3 2 2 2 2 2 5 4 4 1 1 1 1 1 1 4 6 1 1 1

He put the data in a frequency table - see below:

No of people in each car
Frequency
1
15
2
11
3
4
4
3
5
1
6
1
7
0
Total
35

Calculate the arithmetic mean of the data.

 

A.

4

 

B.

3.1

 

C.

2.06

 

D.

7

23 September 2011 · Mindset · 1 marks · 1 mins

Lucy - aged 15 - made a survey of the sizes of shoes worn by her friends. The sizes are 5 ; 5 ½ ; 6 ; 6 ; 6 ½; 6 ½ ; 7 ; 7 ; 7 ; 7 ; 7 ; 7 ½ ; 8. She puts the data into a frequency table:

Shoe size Frequency
5 1
5 ½ 1
6 2
6 ½ 2
7 5
7 ½ 1
8 1
Total 13

The range is 3.
What would the range indicate to a shoe manufacturer?

 

A.

he needs to make only 3 shoe sizes

 

B.

he needs to make all sizes of shoes

 

C.

that he need not make many different sizes as there is only a 3 size difference in the shoe size of Lucy's friends.

 

D.

he needs to make only size 3 shoe

23 September 2011 · Mindset · 1 marks · 1 mins

Lucy - aged 15 - made a survey of the sizes of shoes worn by her friends. She put the data into a frequency table:

Shoe size Frequency
5 1
5 ½ 1
6 2
6 ½ 2
7 5
7 ½ 1
8 1
Total 13

What is the mode?

 

A.

6

 

B.

6.5

 

C.

6.6

 

D.

7

23 September 2011 · Mindset · 1 marks · 1 mins

The table shows the frequency of different lengths of words in a paragraph.

No of letters in words
Frequency
2
2
3
7
4
12
5
2
6
3
7
2
8
1
Total
29

What is the range?

 

A.

11

 

B.

2

 

C.

5

 

D.

31

 

E.

6

23 September 2011 · Mindset · 1 marks · 1 mins

When working with data you need to know three common averages: the mean, the median and the mode. They help you to find out certain things about your data.
In the paragraph above count the number of letters in each word and then record the data in a frequency table. You will have to do the tally for yourself on a piece of paper.

How many words are there altogether?

 

A.

30

 

B.

29

 

C.

25

 

D.

31

 

E.

28

23 September 2011 · Mindset · 1 marks · 1 mins

The table shows the frequency of words of different length in a paragraph.

No of letters in words Frequency
2 2
3 7
4 12
5 2
6 3
7 2
8 1
total 29

What does the total frequency tell you about the paragraph?

 

A.

the total number of words in the paragraph

 

B.

the total number of letters in the paragraph

 

C.

the mean

 

D.

the range

 

E.

the number of minutes to do the question

23 September 2011 · Mindset · 1 marks · 1 mins

How many lines of symmetry does an octagon have?

 

A.

5 lines

 

B.

6 lines

 

C.

7 lines

 

D.

8 lines

23 September 2011 · Mindset · 1 marks · 1 mins

How many lines of symmetry does a heptagon have?

 

A.

5 lines

 

B.

6 lines

 

C.

7 lines

 

D.

8 lines

23 September 2011 · Mindset · 1 marks · 1 mins

State whether the following statement is true or false:

The diagonals of a square and a rectangle are equal.

 

A.

True

 

B.

False

23 September 2011 · Mindset · 1 marks · 1 mins