Consider the following dataset.
Which row of the table shows how the median and mean are affected when a score of 5 is added to the dataset?
Statistics, STD2 S1 2018 HSC 11 MC
A set of data is summarised in this frequency distribution table.
Which of the following is true about the data?
- Mode = 7, median = 5.5
- Mode = 7, median = 6
- Mode = 9, median = 5.5
- Mode = 9, median = 6
Statistics, STD2 S1 2004 HSC 6-7 MC
Use the set of scores 1, 3, 3, 3, 4, 5, 7, 7, 12 to answer Questions 6 and 7.
Question 6
What is the range of the set of scores?
- 6
- 9
- 11
- 12
Question 7
What are the median and the mode of the set of scores?
- Median 3, mode 5
- Median 3, mode 3
- Median 4, mode 5
- Median 4, mode 3
Statistics, STD2 S1 2007 HSC 24a
Consider the following set of scores:
- Calculate the mean of the set of scores. (1 mark)
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- What is the effect on the mean and on the median of removing the outlier? (2 marks)
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Statistics, STD2 S1 2007 HSC 21 MC
This set of data is arranged in order from smallest to largest.
The range is six less than twice the value of
Which one of the following is true?
- The median is 12 and the interquartile range is 7.
- The median is 12 and the interquartile range is 12.
- The median is 13 and the interquartile range is 7.
- The median is 13 and the interquartile range is 12.
Statistics, STD2 S1 2008 HSC 8 MC
What is the median of the following set of scores?
- 12
- 13
- 14
- 15
Statistics, STD2 S1 2011 HSC 14 MC
A data set of nine scores has a median of 7.
The scores 6, 6, 12 and 17 are added to this data set.
What is the median of the data set now?
- 6
- 7
- 8
- 9
Statistics, STD2 S1 2009 HSC 3 MC
The eye colours of a sample of children were recorded.
When analysing this data, which of the following could be found?
- Mean
- Median
- Mode
- Range
Statistics, STD2 S1 2013 HSC 14 MC
The July sales prices for properties in a suburb were:
$552 000, $595 000, $607 000, $607 000, $682 000, and $685 000.
On 1 August, another property in the same suburb was sold for over one million dollars.
If the property had been sold in July, what effect would it have had on the mean and median sale prices for July?
- Both the mean and median would have changed.
- Neither the mean nor the median would have changed.
- The mean would have changed and the median would have stayed the same.
- The mean would have stayed the same and the median would have changed.