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Your search returned 32 results

Listed under:  Mathematics  >  Statistics and probability  >  Data analysis  >  Central tendency  >  Median
Teacher resource

Secondary mathematics: using real data

  • TLF-IDS4972

These seven learning activities, which focus on the use of 'real data' using a variety of tools (software) and devices (hardware), illustrate the ways in which content, pedagogy and technology can be successfully and effectively integrated in order to promote learning. In the activities, teachers use the three content strands ...

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Interactive resource

EagleCat: scatter

  • TLF-IDL10087

Explore and observe changes in the least squares and 3-median regression lines, the correlation coefficient, mean and median by dragging data points around a scatter plot graph or entering your own data. Create different regression lines for different sets of data using the copy function and observe how the lines change ...

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Interactive resource

Fix the matchbox machine: scoop size

  • TLF-IDL2336

Check whether a machine is packing most matchboxes with an acceptable number of matches (40–60 matches per box). Look at boxplots made after taking samples of 100 matchboxes. Analyse the data and identify whether results are within the tolerance range. Adjust the machine's scoop size (if needed) to make it work correctly. ...

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Interactive resource

Fix the matchbox machine: speed

  • TLF-IDL2337

Check whether a machine is packing most matchboxes with an acceptable number of matches (40–60 matches per box). Look at boxplots made after taking samples of 100 matchboxes. Analyse the data and identify whether results are within the tolerance range. Adjust the machine's scoop size (if needed) to make it work correctly. ...

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Interactive resource

Matchbox machine: take a sample

  • TLF-IDL2338

Check whether a machine is packing most matchboxes with an acceptable number of matches (40–60 matches per box). Take a sample of 100 matchboxes and make a boxplot to analyse the results. Sort the sample data into four equal groups. Identify the range, median, first and third quartile values. Position the data points to ...

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Interactive resource

Matchbox machine: plot the variation

  • TLF-IDL2339

Check whether a machine is packing most matchboxes with an acceptable number of matches (40–60 matches per box). Take a sample of 100 matchboxes and make a boxplot to analyse the results. Sort the sample data into four equal groups. Identify the range, median, first and third quartile values. Position the data points to ...

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Interactive resource

Matchbox machine

  • TLF-IDL2340

Check whether a machine is packing most matchboxes with an acceptable number of matches (40–60 matches per box). Take a sample of 100 matchboxes and make a boxplot to analyse the results. Sort the sample data into four equal groups. Identify the range, median, first and third quartile values. Position the data points to ...

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Interactive resource

Rice crisp machine

  • TLF-IDL2341

Check whether a machine is packing most bags with an acceptable number of rice crisps (20–35 rice crisps per packet). Take a sample of 100 packets and make a boxplot to analyse the results. Sort the sample data into four equal groups. Identify the range, median, first and third quartile values. Position the data points ...

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Interactive resource

Rice crisp machine: take a sample

  • TLF-IDL2342

Check whether a machine is packing most bags with an acceptable number of rice crisps (20–35 rice crisps per packet). Take a sample of 100 packets and make a boxplot to analyse the results. Sort the sample data into four equal groups. Identify the range, median, first and third quartile values. Position the data points ...

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Interactive resource

Fix the matchbox machine: scoop size and speed

  • TLF-IDL2343

Check whether a machine is packing most matchboxes with an acceptable number of matches (40–60 matches per box). Look at boxplots made after taking samples of 100 matchboxes. Analyse the data and identify whether results are within the tolerance range. Adjust the machine's scoop size or speed (if needed) to make it work ...

View detailsView resource
Interactive resource

Rice crisp machine: plot the variation

  • TLF-IDL3192

Check whether a machine is packing most bags with an acceptable number of rice crisps (20–35 rice crisps per packet). Take a sample of 100 packets and make a boxplot to analyse the results. Sort the sample data into four equal groups. Identify the range, median, first and third quartile values. Position the data points ...

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Interactive resource

Stem-and-leaf graphs

  • TLF-IDL5911

Find out what a stem-and-leaf graph is and use it to investigate the truth about different conjectures. Work through a tutorial about stem-and-leaf graphs, and then choose an investigation from a set of three. Enter your own data in some investigations. For example, test the reaction time of your preferred hand against ...

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Interactive resource

Stem-and-leaf graphs: an introduction

  • TLF-IDL5912

Find out what a stem-and-leaf graph is. Find out what a back-to-back stem-and-leaf graph is. Work through this tutorial to understand the features of stem-and-leaf graphs, and how they are used to display and to compare two data sets. Observe how the mean and median of the data sets can be used to interpret information. ...

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Interactive resource

Stem-and-leaf graphs: reaction time

  • TLF-IDL5913

Do right-handed students have faster reaction times than left-handed students? Display the given data, including your own time, in a back-to-back stem-and-leaf graph to investigate the answer to this question. Identify the median for left- and right-handed students and use the two means to help you draw a conclusion about ...

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Interactive resource

Stem-and-leaf graphs: height

  • TLF-IDL5914

Are 13-year-old boys taller than 13-year-old girls? Display the data in a back-to-back stem-and-leaf graph to investigate the truth of this conjecture. Identify the median for girls and boys and use the two means to help draw a conclusion about this question. Use the tutorial to show the features and uses of stem-and-leaf ...

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Interactive resource

Stem-and-leaf graphs: preferred hand speed

  • TLF-IDL5915

Are reaction times using a person’s preferred hand faster than using the non-preferred hand? Display the given data, including your own time, in a back-to-back stem-and-leaf graph to investigate the answer to this question. Identify the median for preferred and non-preferred hands and use the two means to draw a conclusion ...

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Interactive resource

Exploring measures of central tendency

  • TLF-IDL6564

Examine the mean and median values for a data set recording emergency response times. Predict changes to the mean and median as new results are added.

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Tablet friendly (Interactive resource)

Fish market

  • TLF-IDL768

Buy and sell fish in trading markets in a range of Australian and New Zealand cities. Compare market prices, supply and demand. Get to know other traders to find the best deals and discover new markets. Find a rare fish. Maximise your profit and reputation as a smart trader. This learning object is the last in a series ...

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Collection

Data - Years 5 and 6

  • TLF-IDR10723

The 11 learning objects in this collection relate to the use, collection, display, comparison and interpretation of statistical data. Objects in the first category, statistical graphs, enable students to compare and use a broad range of statistical graphs appropriately. Objects in the second category, surveys, explore and ...

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Collection

Data - Years 7 to 9

  • TLF-IDR10724

The 12 learning objects in this collection relate to the use, collection, display, comparison and interpretation of data. Objects in the first category, statistical data graphs, enable students to explore data using a range of graphical analysis tools. Objects in the second category, analysing surveys, enable students to ...

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