Vocabulary
The Fairness Of A Statistical Question
What is Unbiased
Biased or Unbiased: We ask the football team if the school should buy more football gear
What is Biased
Find the mean of 4, 12, and 2
Find the MAD of 4, 12, and 2.
What is 4?
The Unfairness Of A Statistical Question
What is biased
Biased or Unbiased: Do you like hot peppers that make you cry or sweet peppers?
Biased because it says hot makes you cry
Find the median of 2, 6, 10, and 14.
What is 8
Find the IQR of the boxplot on the board.
What is 5?
Representative or not: Asking 10 people from each grade if they should not have homework
What is Representative
Find the range of the boxplot on board.
What is 11?
Which MAD has higher variability? 4.1 or 4.9
What is 4.9
A conclusion based on data
Inference
Representative or not: Asking a Choir class if they want music to be on in the hallways between classes at their school
What is not?
What is 1?
Which MAD has data that is more consistent? 2 or 8
The middle number of a set of data
Median