Standard Deviation Table Nat 5. Spread is a number that gives us an idea of how spread out varied or close together consistent the data items are. 2015 n5 maths p1 q5.
Nat 5 maths unit 1. Find the value of a. To calculate the standard deviation σ of a probability distribution find each deviation from its expected value square it multiply it by its probability add the products and take the square root.
To understand how to do the calculation look at the table for the number of days per week a men s soccer team plays soccer.
Number of terms 1. Between 0 and z option 0 to z less than z option up to z greater than z option z onwards it only display values to 0 01. The standard deviation of 1 2 2 2 8 is equal to a. Nat 5 maths unit 1.
