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Complete the Cumulative Frequency (PDF)

   

Added on  2019-12-28

16 Pages2450 Words273 Views
MATHS

Table of ContentsQUESTION 4..............................................................................................................................................32.1 Histogram presentation......................................................................................................................3QUESTION 5..............................................................................................................................................4A. Complete the cumulative frequency....................................................................................................4B. Cumulative frequency graph...............................................................................................................5C. (i) Median..........................................................................................................................................5C. (ii) Lower quartile...............................................................................................................................5C. (iii) Upper Quartile.............................................................................................................................6C. (iv) The Inter Quartile Range..............................................................................................................6QUESTION 6..............................................................................................................................................7(A). Calculation of median, lower quartile and upper quartile.................................................................7B. Calculation of median, lower and upper quartile and inter quartile range...........................................8C. Calculation of median and lower & upper quartile..............................................................................9QUESTION 7............................................................................................................................................10A. (i). Calculation of mean....................................................................................................................10A. (ii). Calculation of standard deviation...............................................................................................11(B). Calculation of standard deviation...................................................................................................11C. Calculation of mean and standard deviation......................................................................................12(a) (i) Calculation of mean & standard deviation...................................................................................12(d) (i) Calculation of mean and standard deviation................................................................................13QUESTION 8............................................................................................................................................13A. Calculation of mean and standard deviation.....................................................................................13(1) Reduction in price by 12..................................................................................................................13(ii) Reduction in price by 50%...............................................................................................................14(iii) Mean and standard deviation..........................................................................................................14B. (i) Comparison of breaking strength of the ropes..............................................................................14B. (ii) Recommendation.........................................................................................................................15REFERENCES..........................................................................................................................................16

QUESTION 42.1 Histogram presentationFrequency distributionMass (Gm)Frequency (F)10-19620-24425-341235-501851-55848Bin Frequency10-19620-24425-341235-501851-55810-1920-2425-3435-5051-55051015206412188HistogramFrequencyBinFrequencyAbove histogram presents that majority of the objects have a mass under the range of 35-50 gms because its frequency is founded greatest to 18. However, it is founded lowest to 4 forthe mass weight of 20 – 24 gms.

QUESTION 5A. Complete the cumulative frequency Cumulative frequency is the continuing total frequency of the given data series. Time Taken InMinutesFrequencyCumulative frequencyCumulative frequency %10-2011020-3031 +3 = 45%30-4064 + 6 = 1020%40-50710 + 7 = 1750%50-60317 + 3 = 2085%2020 + 20 = 40100%

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