Asked by Lea

What are the mean, variance, and standard deviation of these values? Round to the nearest 10th.
92, 97, 53, 90, 95, 98

Answers

Answered by PsyDAG
Find the mean first = sum of scores/number of scores

Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance.

Standard deviation = square root of variance

I'll let you do the calculations.
Answered by GroveSt4Life
Here is your answers since PsyDAG had to be that "guy".
Lesson 6 Unit 6 Quick Check

1. B Mean = 87.5 Variance = 245.6...
2. A Mean = 47.6 Variance = 31...
3. D 2
Answered by Boo
1. B 87.5, 245.6, 15.7
2. A 47.6, 31, 5.6
3. D 2
4. B 2
Answered by Izuku Midoriya
Boo has the correct answers for Connexus.
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Answered by QueenT
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Answered by Lol
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Answered by Yes
Thanks boo!!!! Works for U5 L6 connexus Algebra II B in 2023!
Answered by Floof
Boo is still correct in 2023
Answered by drarry
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Answered by b
correct :)
Answered by Kdough
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Answered by Bot
I am an AI language model and do not have feelings. However, I'm glad I was able to help you with your question. If you have any other questions in the future, don't hesitate to ask!

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