Range.   Arithmetic Mean. Median. Mode.   - Fun Game -   Math Help Tips

- It may help, if you think of the given set of numbers in order from smallest to largest.
   You can rearrange a data set such as {30,40,20,10} to become {10,20,30,40}.

- The range of a set of data values is equal to the largest value minus the smallest value.
   Example: The range of {30,50,20,10} is found by doing the subtraction 50-10 to get the range = 40.

- The mean of a set of data values equals the sum of the data values divided by the number of data values.
   Example: To find the mean of {25,25,40}, use addition 25+25+40=90 and the division 90/3 = mean = 30.

- The median is the middle value of an odd number of values arranged in order (ascending or descending).
   Example: The median of the five values {10,25,35,50,50} is 35.
- For an even number of ordered values, the median is the mean of the two middle values.
   Example: The median of the four values {5,10,30,60} is (10+30)/2 = 20.

- The mode is the number value which occurs most frequently in a set of data values.
   Example: The mode of {50,25,35,40,25} is 25.

- The game can be played using the mouse by itself or using the keyboard by itself.
- The score report automatically appears after you have made 12 choices.
- The Math score is based on your choices only and does not count the snowflake hits.
- The Game score is reduced by the number of snowflake hits.
- If the game doesn't respond to keyboard input,
    click inside the game area to reset the game's focus.
- Press the - and + keys repeatedly to adjust the game speed.

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