Question no.1 Following is the group frequency distribution of 103students which shows their test result in a class. Find the arithmetic mean. Class Interval No. Of Students 10-20 9 20-30 10 30-40 15 40-50 25 50-60 32 60-70 5 70-80 7 Question no.2 Complete the following table by finding angles for the pie chart: Medium of Frequency Angle Institution Urdu 436 764 English 1200 Question no.3 Find the mean , median and mode of the following data. 45, 52, 51, 50, 49, 49, 45, 48, 52, 56 Question no. 4 Suppose a car travels with 8 stops, each stop after an interval of 10 miles. Suppose that the speeds at which the car travels these 8 intervals are 40, 35, 50, 40, 65, 20, 60, and 30 miles per hours respectively. Calculate the harmonic mean for the given data. Question no. 5 Consider the data set: 25 42 57 38 49 36 29 31 53 Find the 50th percentile point. Question no. 6 Find the inter quartile range when third quartile is 45 and first quartile is 33.
Question no.1 Following is the group frequency distribution of 103students which shows their test result in a class. Find the arithmetic mean. Class Interval No. Of Students 10-20 9 20-30 10 30-40 15 40-50 25 50-60 32 60-70 5 70-80 7 Question no.2 Complete the following table by finding angles for the pie chart: Medium of Institution Frequency Angle Urdu 436 English 764 1200 Question no.3 Find the mean , median and mode of the following data. 45, 52, 51, 50, 49, 49, 45, 48, 52, 56 Question no. 4 Suppose a car travels with 8 stops, each stop after an interval of 10 miles. Suppose that the speeds at which the car travels these 8 intervals are 40, 35, 50, 40, 65, 20, 60, and 30 miles per hours respectively. Calculate the harmonic mean for the given data. Question no. 5 Consider the data set: 25 42 57 38 49 36 29 31 53 Find the 50th percentile point. Question no. 6 Find the inter quartile range when third quartile is 45 and first quartile is 33.
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