Collecting and Interpreting Data

Which of these is primary data?

• A table you cut out of a newspaper

• The height of your friends that you find by measuring

• The results of a TV vote

• The national census

Meg counts the number of different kinds of birds visiting her garden.

What would be the best way of collecting the data?

• Pie chart

• Bar chart

• Questionnaire

• Tally Chart

Which of the following statements is true?

• Javed's biggest spending is on his rent.

• Javed spends over £50 per week on his car payment

• Javed spends 25% of his money on food and snacks

• Javed spends about the same on his mobile phone as he saves?

A pictogram shows the number of text messages sent one day by some friends.

Each symbol represents 4 text messages.

How many symbols are needed for 10 text messages?

• 2.5

• 3

• 10

• 40

The table shows the marks awarded to students in a class test.

How many students sat the test?

This means the frequency of 5 is ........

What is the lowest score in this data set?

What frequency do these tally marks represent?

What is the total number of children in all the families ?

Select all correct statements below.

• There are 28 different sports.

• The number of students in the class is 28.

• The most popular sport is tennis.

• Five students prefer cricket.