Preparing for an important match, Tara and Emek studied statistical charts from several rival teams in the opponent analysis room. They compared scoring averages, performance trends, and measures of variation from recent games. One team had a few unusually high-scoring matches, but the data showed inconsistent results across the season. Another team showed steadier performance with smaller changes between games. By looking beyond individual highlights and interpreting the overall patterns, Tara and Emek helped the coaching staff choose a strategy that matched the opponent's strengths and weaknesses.
Challenges
Challenge 1 of 5
Challenges
Challenge 1 of 4
Hint
Find the total of the scores and divide by the number of games.
An opponent team's scoring results in five games were 91, 94, 89, 96, and 90 points. What is the mean score of the team?
92919496Correct! The total is 460, and 460 / 5 = 92.
Remember that the mean is calculated by dividing the sum of all values by the number of values.
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Hint
Subtract the smallest score from the largest score.
Team B's scoring results were 78, 85, 81, 90, and 86 points. What is the range of these results?
Correct! The highest score is 90 and the lowest score is 78, so the range is 12.
Check the highest and lowest scores before calculating the difference.
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Hint
A smaller range means the scores are closer together.
Two teams have the same average score of 85 points. Team A has a range of 4, while Team B has a range of 18. Which conclusion is supported by the data?
Team B is more consistent because it has a larger range.Team A is more consistent because its scores vary less.Team B is stronger because a larger range always means better performance.The teams have the same consistency because their averages are equal.Correct! Team A has less variation, so its performance is more consistent.
The average alone does not show consistency. Compare the spread of the scores.
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