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Additional maths sba

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Additional maths sba

  1. 1. Title: Is An Ordinary Six-faced Gaming Die Bias?Purpose: To carry out simple experiments to determine whether or not an ordinarysix-faced gaming die is bias or not.VARIABLES: Independent- size of the die Manipulated- different types of experiments Responding- faces of the dieProcedure:1. Students were place into six groups of threes and fours. Each group randomlychoose one of the experiments below, (i to vi) to carry out in which each group had tothrow an ordinary 6-faced gaming die one hundred and twenty times on differentsurfaces. (i) The die was held in the palm of the hand and shaken around a few times before it was thrown onto a varnished table top. (ii) The die was placed in a Styrofoam drinking cup and shaken around a few times before it was thrown onto a varnished table top. (iii) The die was placed in a glass drinking cup and shaken around a few times before it was thrown onto a varnished table top. (iv) The die was held in the palm of the hand and shaken around a few times before it was thrown onto a cloth covered table top. (v) The die was placed in a Styrofoam drinking cup and shaken around a few times before it was thrown onto a cloth covered table top. (vi) The die was placed in a glass drinking cup and shaken around a few times before it was thrown onto a cloth table top.2. When all groups carried out their experiments, all of the results were then combined.3. A table was constructed with the frequencies of each face landing uppermost face onthe die.4. Using Microsoft excel, charts were then made for each of the experiments to showcomparisons of the frequencies for each face5. For each experiment, the relative probability was calculated for each face landinguppermost. All results were tabulated.6. All findings and comparisons were discussed and a conclusion was stated.

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