
Knowledge Bank Contents List for Statistics & Probability 
Question  Sent by  Date 

Which statistical test should I use?  Martin McLaughlin  23 Apr 99 
A probability question needing a tree diagram  Jasbir Gosal  22 Apr 99 
How do you find the standard deviation of grouped data?  Alex Watson  21 Apr 99 
What is a frequency table?  Geraldine Richards  28 Mar 99 
The "drunken secretary" problem  T J Noonie  12 Mar 99 
Frequency density and histograms  Lynda O'Dea  27 Feb 99 
Estimating the mean from a grouped frequency table  Mandy Peterson  22 Feb 99 
Adding Probabilities for 'OR'type problems  Kate  18 Feb 99 
Which Average to choose?  David Hughes  17 Feb 99 
The Probability of Winning the National Lottery  Jenny Wilkinson  15 Feb 99 
What sample size is needed for the Chisquared Test?  Heidi Grant  15 Feb 99 
Which standard deviation formula should I use?  Jon Walsh  15 Feb 99 