Question: Grading Rule: 1. Given 3 points 2. Mean: 3 points 3. Variance: 3 points 4. Standard Deviation: 3 Points 5. Conclusion: 3 pointsSelecting Numbered Balls

Grading Rule: 1. Given 3 points 2. Mean: 3 points 3. Variance: 3 points 4. Standard Deviation: 3 Points 5. Conclusion: 3 pointsSelecting

Numbered Balls A box contains five balls. Two are numbered 3, o

numbered 4, and two are numbered 5. The balls mixed and one

Grading Rule: 1. Given 3 points 2. Mean: 3 points 3. Variance: 3 points 4. Standard Deviation: 3 Points 5. Conclusion: 3 pointsSelecting Numbered Balls A box contains five balls. Two are numbered 3, o numbered 4, and two are numbered 5. The balls mixed and one is selected at random. After a ball is selected, its number is recorded. Then it is replaced. If the experiment is repeated many times, find the variance and standard deviation of the numbers on the balls

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