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In sampling a school of 1,000 pupils, who would you ask to answer your questionnaire?

Level 3-4 Data Handling - Collecting and Recording Data

In order to do any kind of scientific study you'll need to collect data. Data handling is also an important part of KS3 Maths and we have four quizzes to help you get to grips with data handling! This one shows you how to go about collecting and recording your data.

The way you collect and record information depends on the type of data you are studying. In many cases surveys and questionnaires are very useful. If you are designing a questionnaire then remember to keep it simple. You want the results to be easy to read so that you can analyse them quickly and accurately. Think about the information you need and how best to get it.

Try the following Maths quiz and see how well you can handle data handling! As always, take your time, read each question thoroughly and choose your answers wisely. And don't forget the helpful comments after each question. They can help clear up any queries you have.

When carrying out a survey to gather several pieces of information about a subject, you can design a .......

qualification

questionnaire

query

quintuplet

A questionnaire is a set of questions made specifically to gather data

To be useful, a questionnaire should be given to a suitable number of people, called the .......

assortment

average

sample

Choosing the size of your sample is an important part of the survey preparation

Which question would not be asked in a questionnaire about how secondary schoolchildren travel to school?

Do you use public transport? Y or N

How far do you have to travel to school?

Is it sensible to wear a bike helmet?

How do you travel to school - car, bus, walk or cycle?

Questions should be relevant and easy to understand as well as easy to answer

Age is often a useful data item for any survey. Which of these questions would be the best to use in the school travel questionnaire?

What is your date of birth?

Tick your age group: 0-10, 11-16, 17-21, over 21

Where were you born?

Circle your Year Group: 7, 8, 9, 10, 11

Date of birth would give you the same information but you'd have to work out the ages. Year groups are a much easier piece of data to use

The numbers for each type of transport are recorded on a tally chart. Tally strokes are written in groups of .......

Five bar gates make the tally marks much easier to count

When the tally strokes are counted, the totals for each category are recorded in a column headed .......

frequency

number

total

type

It's a good idea to get used to using this word

Which of these questions would be most useful in the school transport survey?

Do you have a driving licence?

Are you a boy or a girl?

How tall are you?

Can you ride a horse?

Keep questions relevant. It could be useful to compare boys' and girls' travel arrangements

In sampling a school of 1,000 pupils, who would you ask to answer your questionnaire?

Year 10 pupils

20 pupils from each Year Group

The first 100 people entering the school gate

All pupils

The larger the sample, the better the data. However, 20% is a good proportion of pupils - and much less work!

50% of pupils are girls. In a sample of 10% of pupils, how many girls will you ask to fill in the questionnaire?

10% of 1,000 = 100 and half of them should be girls

10.

What word is used to describe the most common answer to a question in a survey?

Mean

Median

Mode

Range

MOst common = MOde

You can find more about this topic by visiting BBC Bitesize - Collecting and recording data

Author: Frank Evans

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Level 3-4 Data Handling - Collecting and Recording Data

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