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Describing shape
Describing shape
Its ok for students to start with their own language as they learn the correct statistical language
Always model writing full sentence with students
Pip Arnolds resource on census at school about shape is a good one
Word list
symmetrical
bimodal
unimodal
uniform
long tail to the right
long tail to the left
bell shaped
right skew
left skew
Draw a smooth line across the top of the distribution
Use W.W.W. to answer the 3 questions
1. what do i see
2. where do i see it
3. what might this mean ( in the context of this data)?
Centre Spread Interesting
Centre Spread Interesting
Draw a circle around the middle so there about the same number of dots outside the circle at the top end & the bottom end as inside
What do I notice ?
Use W.W.W. to answer the 3 questions
1. what do i see
2. where do i see it
3. what might this mean ( in the context of this data)?
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