To find the ❌ you must order the data first.
To make a box and whisker graph, which value do you NOT need?
median
lower quartile (Q1)
upper quartile (Q3)
range
minimum
maximum
The range is the highest value ❌ the lowest value
The median age of the badminton players is 43.
The whiskers at each end of the box are the highest and lowest 10% of data
The length of the box is the IQR (inter quartile range). How do you calculate the IQR?
Pick a number between 1 and 10
Add all the numbers and divide by how many there are
Subtract Q1 from Q3
Subtract the minimum from the maximum value.
The IQR of the Year 9s is ❌ than the IQR of the Year 10s.
The mode number of texts sent my Year 10 students is
7
0
4
The shape of the year 12 dot plot is
skewed
uneven
symmetrical
The IQR for the Year 11s is similar to the IQR of year 12s. True or false?