Index Numbers & Rates of Change (Edexcel GCSE Statistics: Foundation): Exam Questions

Exam code: 1ST0

9 mins2 questions
1
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5 marks

The table shows information about the retail price index (RPI) and the price of a second-class stamp (in pence) in the United Kingdom for January 1996, January 2006 and January 2016.

Jan 1996

Jan 2006

Jan 2016

Retail price index (RPI)

100

129

172

Price of second-class stamp (pence)

20

23

54

(Sources: ons.gov.uk (opens in a new tab) and royalmail.com (opens in a new tab))

Describe how the increase in the price of a second-class stamp compares with the RPI over the ten years to January 2006 and over the twenty years to January 2016.

2a
1 mark

The graph below shows the crude birth rate and crude death rate for Malta from 2000 to 2014.

Graph showing Malta's birth and death rates per 1000 from 2000 to 2014. Birth rate is higher, both remaining steady. Source: www.indexmundi.com.

Using the information from the graph above Lottie concludes

“The total population of Malta has increased between 2000 and 2014”

Explain how the graph can be used to support Lottie’s conclusion.

2b
1 mark

Give one reason why Lottie’s conclusion might not be correct.

2c
2 marks

In 2015, the population of Malta was 445 053
In the same year there were 4398 births in Malta.

Using the formula below, work out the crude birth rate in Malta in 2015 Give your answer correct to 1 decimal place.

c r u d e italic space b i r t h italic space r a t e italic space italic equals fraction numerator n u m b e r italic space o f italic space b i r t h s italic cross times italic 1000 over denominator t o t a l italic space p o p u l a t i o n end fraction italic space