Survey
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* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Graphs & Charts TALLY CHARTS Example A housing survey shows these types of house in a street of 24 homes: 2 bed house Flat Flat 2 bed house Bungalow 3 bed house 3 bed house Bungalow Flat Flat 2 bed house 2 bed house Flat Flat Flat Flat Bungalow 2 bed house Bungalow 2 bed house 2 bed house 3 bed house 3 bed house 3 bed house We can make these into a table - first make a list of the types of home: Home House (2 bedroom) House (3 bedroom) Flat Bungalow Now make a tally mark l for each one that you count. Go through the list one by one and cross each one off as you enter it on the chart. When you reach 5 tally marks, the 5th goes across e.g. llll and you leave a gap before the next tally mark. Home Tally House (2 bedroom) Total 7 House (3 bedroom) Flat Bungalow f lex i p (a) ac k s Finish the tally chart for the whole sheet - (check that you have all 24). 28 Graphs & Charts 2) SEEDS A packet of mixed flower seeds is sown and a count is made later of the colours of the flowers: Yellow Yellow Orange Yellow Orange Orange Yellow White White White Pink Yellow Pink White Yellow Yellow Orange Pink Yellow Orange Yellow Orange White Yellow Fill in the tally chart below: (Remember to tick them off as you go). Colour Tally Total Yellow Orange White Pink 3) A college music department makes a count of the types of instrument kept in store. Ruth has to take down the numbers as they are called out. Trumpet Flute Guitar Trumpet Drum Flute Guitar Drum Trumpet Flute Guitar Flute Guitar Guitar Trumpet Guitar Guitar Drum Flute Drum Guitar Trumpet Flute Flute Draw up a tally chart to make the job easier. f lex i p Instrument ac k s Tally 29 Total Graphs & Charts 4) MOBILE PHONE CONVERSATIONS Anna keeps a record over a week of how many minutes conversations last on her mobile phone. Number of minutes 7 1 3 5 3 5 1 4 2 2 2 4 4 1 5 5 2 2 2 6 3 5 6 2 4 3 2 2 2 3 Fill in the tally chart to put it in order:. Number of minutes Tally Number of conversations 1 2 3 4 5 6 7 If the information is given in groups of numbers you need to work out which group each tally mark belongs to: (5) STUDY CENTRE A survey in a Study Centre shows that the students present have the ages listed below: f lex i p 16 16 ac k s 20 47 25 22 42 27 37 19 17 20 61 28 30 30 25 23 49 29 38 18 17 33 53 Graphs & Charts Years Tally Total in group 16-19 6 20-29 30-39 40-49 50-59 60-69 In the first group 16-19 you have the ages 16,17,18,19,17,16. So there are 6 students in this group. (a) 6) Carry on and finish the tally chart. SUNFLOWERS The list below shows the height (in centimetres) of 21 sunflower plants. Fill in the tally chart. (Remember - tick them off as you go.) 95 86 67 83 Height 88 77 63 84 72 89 85 70 96 66 Tally 70-79 80-89 90-99 f lex i p 65 74 74 79 Number of plants 60-69 ac k s 82 87 31 83 Graphs & Charts 7) CAMERA SALES A shop records types of cameras sold over the week. Minolta Konika Olympus Nikon Minolta Pentax Minolta Minolta Minolta Olympus Olympus Minolta Konika Pentax Pentax Konika Pentax Olympus Olympus Olympus Olympus Konika Olympus Nikon (a) Draw up a tally chart. f lex i p Check your answers, then discuss with your tutor what you need to work on next. ac k s 32 Graphs & Charts Answers Example Home Tally House (2 bedroom) llll ll llll llll lll llll House (3 bedroom) Flat Bungalow 2) Colour Tally Yellow Pink llll llll llll l llll lll Instrument Tally Trumpet Drum llll llll ll llll lll llll No of minutes Tally 1 lll llll llll llll llll llll ll l Orange White 3) Flute Guitar 4) 2 3 4 5 6 f lex i p 7 ac k s Total 7 5 8 4 Total 10 6 5 3 Total 33 5 7 8 4 Number of conversations 3 10 5 4 5 2 1 Graphs & Charts 5) Years Tally 16-19 60-69 llll l llll llll llll lll l l Height Tally 60-69 90-99 llll llll l llll llll ll Camera Tally Minolta llll l llll llll llll lll ll 20-29 30-39 40-49 50-59 6) 70-79 80-89 7) Pentax Konika Olympus f lex i p Nikon ac k s Total 6 9 4 3 1 1 Total 4 6 9 2 Number sold 34 6 4 4 8 2