Generate Random Numbers for Statistical Sampling
"Learn about random sampling using pseudo-random number generation techniques. Generate random numbers within specified ranges such as [0,1], dice rolls, coin flips, and integer values. Set up calculators for linear display and explore applications in statistical sampling." (287 characters)
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Presentation Transcript
Random Sampling using RANDOM
Random Sampling using RANDOM Random: Generates a pseudo random number to 3 decimal places that is less than 1. i.e. it generates a random number in the range [0, 1] RANDOM is in Red
Random Sampling using RANDOM We want to choose a RANDom number [0,1] R DICE [1,6] R-COINS [1,2] R-INT [0,99]
Random Sampling using RANDOM To keep generating a random 3 digit number between [0,1] we repeatedly press =
Random Sampling using RANDOM The calculator automatically displays in W View If we are generating lots of numbers this may become annoying. We need to SET UP the EDITOR into Linear Display (as a single line Decimals)
Random Sampling using RANDOM The calculator automatically displays in W View If we are generating lots of numbers this may become annoying. We need to SET UP the EDITOR into LINEar Display (as a single line Decimals)
Random Sampling using RANDOM We need to generate a RANDOM number again RANDOM is in Red
Random Sampling using RANDOM We want to choose a RANDom number
Random Sampling using RANDOM To keep generating a random 3 digit number between [0,1] we repeatedly press =
Random Sampling using RANDOM for an interval [1,200] If we multiply the randomly generated number by 199 then 199 x [0, 1] = [0, 199] To get it between 1 and 200 we must add 1 199 x [0, 1] + 1 = [1, 200] But we must first SET UP the calculator to Fix to 0 decimal place
Random Sampling using RANDOM for an interval [1,200] But we must first SET UP the calculator to Fix to 0 decimal place We want 0 decimal places
Random Sampling using RANDOM for an interval [1,200] The calculator tells us it has been SET UP To Fix We now need to tell it what we want 199 x [0, 1] + 1
