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If the data set has a mean of 30 and a variance of 16, what is the standard devi
If the data set has a mean of 30 and a variance of 16, what is the standard deviation?
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Q1
If the data set has a mean of 30 and a variance of 16, what is the standard deviation?
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Standard Deviation = √Variance = √16 = 4.
Questions & Step-by-step Solutions
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Q: If the data set has a mean of 30 and a variance of 16, what is the standard deviation?
Solution:
Standard Deviation = √Variance = √16 = 4.
Steps: 6
Show Steps
Step 1: Understand that variance is a measure of how spread out the numbers in a data set are.
Step 2: Know that the standard deviation is the square root of the variance.
Step 3: Identify the variance given in the question, which is 16.
Step 4: Calculate the square root of the variance: √16.
Step 5: Find the square root of 16, which is 4.
Step 6: Conclude that the standard deviation is 4.
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