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2 votes
The mean cost for a pint of strawberries is $2.20 with

a standard deviation of $0.50. What is the varance?
a. $0 .25
b. $1.00
c. $1.70
d. $0.50

1 Answer

5 votes

Related Concepts

  • Statistical analysis
  • Normal distribution
  • Standard deviation and variance

Solution

Variance is equal to the square of standard deviation.

Therefore, to solve for variance, we must find the square of $0.50:


0.5^2\\= 0.25

The variance is $0.25.

User Takis
by
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