CUMULATIVE FREQUENCY DIAGRAMS Welcome to your CUMULATIVE FREQUENCY DIAGRAMS Thirty boys enter a school javelin competition. The distances thrown are recorded in a cumulative frequency graph shown below.If the top 15% of the boys qualify for the finals, estimate the qualifying distance. 72 m 32 m 52 mThirty boys enter a school javelin competition. The distances thrown are recorded in a cumulative frequency graph shown below.What is the median distance thrown? 65 m 32 m 51 mThirty boys enter a school javelin competition. The distances thrown are recorded in a cumulative frequency graph shown below.How many students throw more than 60 m? 21 9 6A class of 120 students are given a maths question to solve. The time taken by the students is given the diagram below:What is the median time? 61 71 76A class of 120 students are given a maths question to solve. The time taken by the students is given the diagram below:Top 20% of the students in the class, are selected for a national quiz completion. How many students were selected? 36 84 10A class of 120 students are given a maths question to solve. The time taken by the students is given the diagram below:What is the inter-quartile range? 10 15 20The numbers of minutes spend by 80 customers in a book shop is given the diagram below:What is the median duration? 35 45 39The numbers of minutes spend by 80 customers in a book shop is given the diagram below:What is the inter-quartile range? 25 30 17The numbers of minutes spend by 80 customers in a book shop is given the diagram below:How many customers spend more than 50 minutes in the books shop? 64 16 30The numbers of minutes spend by 80 customers in a book shop is given the diagram below:How many customers spend less than 30 minutes in the books shop? 18 16 20The following diagram shows the amount of money spent in dollars by various students on their books.What is the median amount spent? 37 35 42The following diagram shows the amount of money spent in dollars by various students on their books.What is the inter-quartile range? 10 17 22The following diagram shows the amount of money spent in dollars by various students on their books.How many students spend more than $50? 35 10 5The following diagram shows the amount of money spent in dollars by various students on their books.How many students spend less than $20? 5 4 3The following diagram shows the amount of money spent in dollars by various students on their books.How many students spend money in the range of $30 to $40? 15 10 12