Chart LX + Blank Breaks Table Picture Shapes Icon Library Chart Library Page WPSArt Screenshot Comment Envelopes Header and Footer Num (CLO1:PLO1:C3)(CLO1:PLO2:C3) Question 5 (10 marks) The table below shows the weight of 100 honeydews harvested from Happy Farm. Weight (kg) 1-3 3-5 5-7 7-9 9-11 Frequency 9 1+5 31 2.5y 20 (a) Fill in the table below and determine the value of mean and standard deviation for the weight of these honeydews. (8 marks) . Weight (kg) X 1 -3 Total 100 (2 marks) (b) What can you say about the variation in this sample data? Words: 702 Spell Check(CLO2:PLO4:C3)(CLO2:PLO7:C3) FORMULA SHEET Sturges Rule: No. of classes : c=1+3.3logn range Class width : Arithmetic mean : n n [X( ) if n is odd (+x() if niseven * =L + 2 -F Median : Mode : Standard deviation : n - 1 n-1 IQR : 2 -2, Cat " + 1 -th term 4 Q, at 3(1 + 1 th term 3(mean - median) mean - mode Coefficient of skewness : standard deviation Or standard deviation standard deviation Coefficient of variation : -x 100% mean Probability : P(AUB) = P(A) + P(B) mutually exclusive events P(AUB) = P(A) + P(B) - P(AnB) not mutually exclusive events P(An B) = P(A)P(B) independents events P(A/ B) = P(AnB) P(B) conditional probability Page 1 of 7