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  1. Complete the following sentences:

    • It is necessary to group the values…

    • Once you have grouped the data for your numerical variables…

    • There is a wide range of graphs that…

    • Histograms are especially useful when …

    • Before drawing your histogram you will nearly always need …

    • The main differences between the appearance of a bar chart and a /histogram are …

    • Line graphs should be used when you want…

    • Scatter graphs, also called scatter plots, are used to show ..

    • The strength of any relationship is represented by …

6. Ask 10 disjunctive questions to the text.

7. Answer the following questions:

  • What graphs are used to emphasise the highest and lowest categories for one variable?

  • Why do we use a line graph?

  • What is the difference between a box plot and multiple box plot?

  • What is a histogram?

  • What do you need to do before drawing a histogram?

  • What are the main differences between the appearance of a bar chart and a /histogram?

  • Why is the horizontal axis used on line graphs?

  • Why is the horizontal and vertical axis used in scatter graphs?

8. Get ready to speak about the graphs. Use the following phrases:

Our topic deals with…

To begin with…

I’d like to say a few words about…

I’d like to add that…

It’s necessary to note that…

One cannot help saying about…

In addition…

That’s why….

Likelihood based on conditions

I. Zero, first and second conditionals; other ways to introduce a condition

          1. Match the beginnings (1-8) and the endings (a-h) of these sentences.

1 If I win the competition,

C

A we'll give you the job.

2 If you boil milk,

B if you don't get accepted at Macquarie University?

3 What will you do

C I'll take you somewhere nice to celebrate.

4 What happens to the engine

D if you put diesel fuel into a petrol-driven car?

5 If I get all my work done in time,

E it forms a skin on the top.

6 I might buy a new laptop computer

F I’ll be home by six o'clock tonight

7 If you agree to enroll in the diploma course,

G you won't be able to open the cupboard.

8 If you put the sofa there,

H if my boss allows me to work from home sometimes.

2 Fill in the gaps in the extracts below using the verbs in brackets in the correct form.

          1. My parents would love (love) it if I _______ (become) a doctor but I'm not sure I'd be able to face all those years of study. Also if I _______ (be) a doctor, I _______ (hate) all those hours you have to work.

          2. These days I use the Internet more and more to do my shopping. If I ________ (not/have) my computer, I _______ (not/know) what to do. I buy clothes, books and DVDs online as well as holidays. If you ________ (not/find) what you want in the shops, you ________ (find) it on the Internet. I’m going to Barcelona in a few weeks and 1'm going to buy my ticket on the Internet because it ________ (save) me about £50 if I _______ (do) it that way.

          3. This production of Shakespeare's play ________ (surprise) you, unless you _________ (be used to) seeing all the characters being played by just two people!

          4. Eggs are best kept at a cool room temperature, so I don't keep my eggs in the fridge. If I _______ (keep) them in the fridge I _______ (take) them out half an hour before cooking. However, not everyone has somewhere cool to keep eggs. If you ________ (not/have) a cool place to store them in your home, you .________ (have to) use the fridge, but just remember to take them out in time.