2 Letisha has collected information about visitors to an exhibit one weekend.
Day
Frequency
Friday
38
Saturday
55
Sunday
47
Talk to a partner about which key you think would be most suitable.
= 10 people
= 2 people
= 15 people
Two-way tables
Riana asked 70 people were asked if they have musical instrument lessons. She also recorded if they were adults or children. Two pieces of information are recorded for each child. The data can be recorded in a two-way table.
Child
Adult
Total
Instrument
14
6
20
No instrument
25
35
50
Total
29
41
70
(a) How many adults did Riana ask?
The total row shows Riana asked 41 adults. (b) How many children learn an instrument? 14 children learn a musical instrument.
142
9781380050717__text.indb 142
28/04/2022 12:12
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