Consider the following dataset.
- What is the interquartile range? (1 mark)
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- By using the outlier formula, determine whether 15 is an outlier. (2 marks)
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Statistics, STD1 S1 2023 HSC 20
Consider the following dataset.
22, 27, 29, 32, 36, 37, 39, 45, 47, 58
Is 58 an outlier in this dataset? Justify your answer with working. (3 marks)
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♦♦♦ Mean mark 17%.
Statistics, STD1 S1 2022 HSC 29
The ages of the 10 members in a tennis club are
Could the age
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Statistics, STD2 S1 2021 HSC 17
The five-number summary of a dataset is given.
Lowest score = 1
Lowest quartile (
Median (
Upper quartile (
Highest score = 20
Is 20 an outlier? Justify your answer with calculations. (2 marks)
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Statistics, STD1 S1 2019 HSC 19
The heights, in centimetres, of 10 players on a basketball team are shown.
170, 180, 185, 188, 192, 193, 193, 194, 196, 202
Is the height of the shortest player on the team considered an outlier? Justify your answer with calculations. (3 marks)
Statistics, STD2 S1 2018 HSC 26e
A cumulative frequency table for a data set is shown.
What is the interquartile range of this data set? (2 marks)
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Statistics, STD2 S1 2017 HSC 30a
A set of data has a lower quartile (
What is the maximum possible range for this set of data if there are no outliers? (2 marks)
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Statistics, STD2 S1 2015 HSC 27d
In a small business, the seven employees earn the following wages per week:
- Is the wage of $970 an outlier for this set of data? Justify your answer with calculations. (3 marks)
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- Each employee receives a $20 pay increase.
What effect will this have on the standard deviation? (1 mark)
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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.