Stem and leaf diagrams

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median time taken stem leaf Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median, quartiles and inter-quartile range Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median Completion times

Example - drawing a stem and leaf Answer (a):- (1) key: 4|7 means 47 (2) put values into preliminary diagram: Question:- 29 students were set a simple task. Their completion times to the nearest second were: (a) set these data into a stem and leaf diagram (b) find the median (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: Completion times

Example - drawing a stem and leaf Answer (a):- (3) re draw diagram with leafs in numerical order: |7 means 47 Don’t forget the key Completion times

Example - drawing a stem and leaf Answer (b): Completion times The median is the middle value: 15 th Median = 47 4|7 means 47 i.e. 15 th value There are 29 values

Example - drawing a stem and leaf Answer (b): Completion times Lowest Range = Highest - Lowest 4|7 means 47 Highest Range = 72 – 38 = 34