AI generatedStatisticsKey Stage 3

Reading a frequency table

Reading a frequency table.

  • Organise the data before calculating.
  • Check counts and totals, and keep units or context in your conclusion.
  • Choose a typical-value measure and a spread measure that suit the data.

Example 1

How many observations equal 2, and how many observations are there altogether?

Given information
ValueFrequency
22
31
53
71
81
91
Read the frequency in the selected row.Add all frequencies, not the values in the first column.
2 observations equal 2; 9 observations altogether.

Example 2

How many observations equal 4, and how many observations are there altogether?

Given information
ValueFrequency
32
41
63
81
91
101
Read the frequency in the selected row.Add all frequencies, not the values in the first column.
1 observations equal 4; 9 observations altogether.

Your turn

Question 1

How many observations equal 7, and how many observations are there altogether?

Given information
ValueFrequency
42
51
73
91
101
111
Check answer
Read the frequency in the selected row.Add all frequencies, not the values in the first column.
3 observations equal 7; 9 observations altogether.
Question 2

How many observations equal 10, and how many observations are there altogether?

Given information
ValueFrequency
52
61
83
101
111
121
Check answer
Read the frequency in the selected row.Add all frequencies, not the values in the first column.
1 observations equal 10; 9 observations altogether.
Question 3

How many observations equal 12, and how many observations are there altogether?

Given information
ValueFrequency
62
71
93
111
121
131
Check answer
Read the frequency in the selected row.Add all frequencies, not the values in the first column.
1 observations equal 12; 9 observations altogether.
Question 4

How many observations equal 14, and how many observations are there altogether?

Given information
ValueFrequency
72
81
103
121
131
141
Check answer
Read the frequency in the selected row.Add all frequencies, not the values in the first column.
1 observations equal 14; 9 observations altogether.
Question 5

How many observations equal 8, and how many observations are there altogether?

Given information
ValueFrequency
82
91
113
131
141
151
Check answer
Read the frequency in the selected row.Add all frequencies, not the values in the first column.
2 observations equal 8; 9 observations altogether.
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