Quiz No. 1 Instruction: Answer the following problems/questions in a clean piece of paper. Show your solutions. 1. The f

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Quiz No 1 Instruction Answer The Following Problems Questions In A Clean Piece Of Paper Show Your Solutions 1 The F 1 (91.79 KiB) Viewed 34 times

Quiz No. 1 Instruction: Answer the following problems/questions in a clean piece of paper. Show your solutions. 1. The following data represents the heights in centimeter of 51 students of Class X. Find the median and the mode. Height 150- 135- 140 4 140- 145 7 145- 150 17 155. 160 160- 165 7 10 6 No. of Students 2. Calculate the range of the data given below. Class 30-40 40-50 50-60 60-70 70-80 80-90 90- 100 3 Frequency 3 2 7 15 12 8 3. Find the Variance and Standard Deviation for marks obtained in the test of 88 students. Marks Frequency 0-10 6 10-20 16 20-30 24 30-40 25 40-50 17