Before the playoffs, Tara and Emek reviewed detailed performance charts from their team's season. They examined scoring data from different months, comparing averages, ranges, and changes over time to understand how the team had improved. They noticed that some periods showed strong results but greater variation, while others showed more consistent performance. By interpreting the trends and identifying reliable patterns, they recommended adjustments to training sessions. The coach used their analysis to prepare the team for the championship, and the players entered the playoffs with confidence.
Challenges
Challenge 1 of 5
Challenges
Challenge 1 of 4
Hint
Add all scores and divide by the number of months.
A monthly scoring report showed the values 84, 90, 88, 92, and 86 points. What is the mean score for these months?
88869092Correct! The total is 440, and 440 / 5 = 88.
Remember that the mean is the total divided by the number of data values.
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Hint
Find the difference between the highest and lowest values.
A training period had scoring averages of 76, 81, 85, 79, and 84 points. What was the range of these averages?
Correct! The highest value is 85 and the lowest value is 76, so the range is 9.
Check the maximum and minimum values before subtracting.
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Hint
A smaller range means the data values are closer together.
The team compared two training periods. Period A had an average score of 82 with a range of 3. Period B had an average score of 82 with a range of 15. Which interpretation is correct?
Period B was more consistent because it had a larger range.Period A was more consistent because its scores varied less.Period A was weaker because its average was smaller.Both periods had the same consistency because their averages were equal.Correct! Period A has less variation, so its performance was more consistent.
Compare the spread of the data, not only the average values.
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