Stats Flashcards
1
Q
What is the equation to work out an outlier?
A
[ LQ - 1.5 x IQR ]
[ UQ + 1.5 x IQR ]
2
Q
What is shown by a box plot?
A
The LQ, Median, and UQ
The highest and lowest value aswell as any outliers marked as a cross
3
Q
How do you work out the median using interpolation
A
Starting value in row + the middle of the CF - the CF at start over the frequency in the row x the width of group
4
Q
How do you determine if 2 events are independent
A
A x B = AUB
5
Q
What does it mean if a variable is discrete
A
Their are gaps or interruptions in the values such as number of daily admissions to the hospital
6
Q
What does it mean if a value is continuous?
A
They can take an infinite number of values between 2 end points such as height
