Central Tendency Print Activity. Use the Explore It mode to answer the following questions:
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1 Name: Central Tendency Print Activity Use the Explore It mode to answer the following questions: 1 Use the diagram below to answer the following questions: a The graph represents the heights of a collection of artifacts (7/8/9) b The Range in the heights of the artifacts is 9 1 = m c The Range is defined as the height height (largest/smallest) (largest/smallest) d The represents the average height of the artifacts (mean/median/mode) e The Mean is defined as sum = = f In the diagram above, the heights have been arranged in order (ascending/descending) g The Median is the value that represents the height (beginning/middle/end) when the heights are arranged in order Junior High Math Interactives Page 1 of 7
2 h The Median height for this data is i The Modes are the values that occur often in a set of data (least/most) j The value of the heights that occurs most often are and 2 Use the data in the diagram below to answer the following questions: a The graph represents the of artifacts (length/width/height) (2/5/10) b The range of lengths is = m c The mean length = sum = = # of items d The lengths arranged in ascending order are,,,, e The median length is f This data has (2 modes/no modes) Junior High Math Interactives Page 2 of 7
3 3 Use the data table below to answer the following questions: a The data represents the of the artifacts (length/width/height) b The range for the widths is = m c The mean width is = d When the data is arranged in ascending order, the middle 2 widths are and e When there is an number of data values, the median is found by (even/odd) arranging the data in order and averaging the 2 data values in the middle + f The median width for this example is = 2 Junior High Math Interactives Page 3 of 7
4 4 Use the data table below to answer the following questions: a There are data values in the data table b The range in height is = c The mean height is d When the heights are arranged in order, the middle 2 heights are and + e The median height is = 2 g The most frequent heights of the artifacts are and and these values represent the (mean/median/mode) Junior High Math Interactives Page 4 of 7
5 5 The data table below represents a list of Amy s math quiz marks a Input Amy s marks into the data table on your screen Data Table: b Using the information on your screen, draw and include ALL labels on the bar graph below Graph: c The graph displays the math quiz marks for different math topics d The quizzes are graded as a mark out of e Amy achieved the highest quiz mark on the topic of f The lowest mark Amy achieved on any quiz was out of 10 Junior High Math Interactives Page 5 of 7
6 g The range of Amy s marks was = h The average mark was = i The middle values when the marks are arranged in order are and + j The median mark is = 2 k The most frequent marks Amy received were l Did Amy achieve a passing average on these math quizzes? (yes/no) 6 A favorite music survey was conducted with students Use the data table and graph below to answer the following questions: Data Table: Graph: a The horizontal axis displays different types of music on the graph b The vertical axis defines the or number of students that chose each music type c The number of students who chose country as their favorite was d The number of students who chose either pop rock or heavy metal was Junior High Math Interactives Page 6 of 7
7 e The music type with the lowest frequency was f The total number of students participating in the music survey was g Of the 3 measures of central tendency, the have (mean/median/mode) meaning in this data set h Explain why 7 Match the following terms with their correct definition: a Mean the data value that occurs most often b Median the difference between the largest and smallest data values c Mode the sum of the data divided by the number of data values d Range the value that represents the middle when data is arranged in order Junior High Math Interactives Page 7 of 7
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