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January 21st, 2015

1/21/2015

2 Comments

 
Introduced Statistics T&T5 2.1 and 2.2
  • Categorical Data (Ordinal & Nominal)
  • Numerical Data (Discrete & Continuous)
  • Primary v Secondary Data
  • Random Sampling
  • Leading Questions
HW: Need to start tying paper 1s. Between now and next Monday try finish 20014 and 2013 Paper 1 as much as you can.

Types of data

Leading questions will bias a survey.

Collecting data.

Random sampling and bias
2 Comments
Siobhan
1/25/2015 05:39:12 am

Sir would you be able to explain how to do 2014 question 5 b.i please

Reply
Mr R
1/25/2015 11:55:54 am

Siobhan I have changed the solution to include an explanation. The main idea is that the slope of the curve is the derivative. If you integrate the 'slope function' (derivative) of the cure it will give you the curve function. Basically - this is an integration question.

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