the known child from the parent total.","points":1},{"id":"fa755ca7-eee5-4876-a3be-88c6491be9e9","cardType":"basic","front":"In a frequency tree, what does a branch represent?","back":"A category or choice that splits a total into groups.","points":1},{"id":"7b9a8118-e950-47cd-8978-b42578a2d7ff","cardType":"cloze","front":"In a frequency tree, the [ ] must equal the sum of its connected child nodes.","back":"In a frequency tree, the parent node must equal the sum of its connected child nodes.","points":null},{"id":"271c30e5-6afe-4c8c-84b3-ed3999ff9e6e","cardType":"cloze","front":"In a frequency tree, the parent node must equal the sum of its connected [ ].","back":"In a frequency tree, the parent node must equal the sum of its connected child nodes.","points":null},{"id":"0965114f-cd4f-411b-9c46-1e8cfaa3d20e","cardType":"basic","front":"If 62 people are surveyed and 27 are boys, how many are girls?","back":"35 (62 - 27 = 35).","points":1},{"id":"4fceb827-d02a-4b1e-9e7b-ed29c5f667b3","cardType":"cloze","front":"Frequency trees are generally read from [ ] to right.","back":"Frequency trees are generally read from left to right.","points":null},{"id":"e4415ff6-9954-4a25-8409-87ab18173300","cardType":"cloze","front":"Frequency trees are generally read from left to [ ].","back":"Frequency trees are generally read from left to right.","points":null},{"id":"070c836b-b2b3-45ba-b536-04b8084871ac","cardType":"basic","front":"Where should an overall total (e.g. \"52 students chose drink A\") be placed in a tree split by Gender then Drink?","back":"It is the sum of both \"Drink A\" nodes (not a single node).","points":2},{"id":"9f7452d8-c988-4cc8-a6d4-e8a10023352a","cardType":"cloze","front":"To calculate a frequency from a fraction clue, use the formula: $$part = \\text{group total} \\times \\text{[...]}$$","back":"To calculate a frequency from a fraction clue, use the formula: $$part = \\text{group total} \\times \\boxed{fraction}$$","points":null},{"id":"d1233162-7f3f-4a8d-b906-122762f1e980","cardType":"basic","front":"When given a clue like \"$\\frac{2}{5}$ of the girls\", which frequency is used as the total for the calculation?","back":"The girls total.","points":1},{"id":"be73be43-4de3-4ad3-a761-04ae4dce52e5","cardType":"basic","front":"If 40 students play tennis and $\\frac{3}{5}$ go on Saturday, how many go on Saturday?","back":"24 students ($$40 \\times \\frac{3}{5} = 24$$).","points":1},{"id":"b796241c-bd34-4c87-b35e-b4a2840fcf15","cardType":"cloze","front":"In a fraction clue, the words [ ] identify which group total to use.","back":"In a fraction clue, the words \"of the\" identify which group total to use.","points":null},{"id":"8b0ca1f6-e89e-4479-a6ec-36f323f7b47d","cardType":"basic","front":"How do you determine the denominator for a probability question from a tree?","back":"It is the frequency of the group being chosen from.","points":1},{"id":"a1d84e60-4edd-456c-b0be-15aaab7152dc","cardType":"basic","front":"If the question says \"One of the left-handed people is chosen\", what is the denominator?","back":"The total frequency of left-handed people.","points":1},{"id":"54276ddb-4225-41cf-b17b-f13ee7d39449","cardType":"cloze","front":"Probability from frequencies is calculated as: $$\\frac{\\text{[...]}}{\\text{number possible

Frequency Trees Flashcards

Frequency Trees Flashcards

Frequency Trees Flashcards

Frequency Trees Flashcards