Here is a list of numbers - OCR - GCSE Maths - Question 1 - 2018 - Paper 1
Question 1
Here is a list of numbers.
2 8 5 12 6
(a) From this list, write down.
(i) the odd number,
(ii) the cube number.
(b) Using the same list of numbers, work out
(i... show full transcript
Worked Solution & Example Answer:Here is a list of numbers - OCR - GCSE Maths - Question 1 - 2018 - Paper 1
Step 1
Write down the odd number
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Answer
The odd number from the list is 5. An odd number is an integer that is not divisible by 2.
Step 2
Write down the cube number
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Answer
The cube number from the list is 8, as it can be expressed as 23. The cube of 2 is 8.
Step 3
Work out the median
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Answer
To find the median, we first arrange the numbers in ascending order: 2, 5, 6, 8, 12. Since there are 5 numbers (an odd count), the median is the middle number, which is 6.
Step 4
Work out the range
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Answer
The range is calculated as the difference between the largest and smallest numbers in the list. The largest number is 12 and the smallest is 2. Thus, the range is calculated as follows:
extRange=12−2=10