Awasome Interquartile Range Gcse Questions References
Awasome Interquartile Range Gcse Questions References. • answer the questions in the spaces provided. Identifying the interquartile range for a given data set.
It is simply the highest of all the values take away the lowest of all the values. • answer the questions in the spaces provided. Exam style questions ensure you have:
A Student Has Collected Pebble Size Data As Part Of An Investigation Comparing Three Beaches.
Interquartile range (iqr) this is the currently selected item. And they are represented by q1, q2, and q3. Read each question carefully before you begin answering it.
9, 15, 18, 22, 33, 38, 39.
To find the interquartile range we subtract the lower quartile (q_1) from the upper quartile (q_3). You know the median splits data into two. The interquartile range or iqr is the difference between the upper and lower quartiles.
The Interquartile Range Shows The Range In Values Of The Central 50% Of The Data.
This type of question doesn’t come up on gcse exam papers very frequently (you are much more likely to be. The range is one way of measuring the spread of the data, for more information head over here (mean median mode and range revision). The values that split each part are known as the first, second, and third quartile.
The Student Randomly Measured The Long Axis Of 11 Pebbles At Three Beaches.
(total for question 2 is 2 marks) range lower quartile median upper quartile maximum 101 110 132 162 185 height (cm) 0 10 20 30 40 50 60 weight (g) It is simply the highest of all the values take away the lowest of all the values. First we find the median by adding 1 to the total number of pieces of data.
You Know The Median Splits Data Into Two.
For example, find the range of 14, 16, 18, 22. Powerpoint used with year 9 to introduce iqr, uses some ideas from mymaths.co.uk. Donʼt spend too long on one question.
