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## Question

The graph shows a distribution of data. What is the standard deviation of the data? A)0.5 B)1.5 C)2.0 D)2.5

## Answer

Answer:A)0.5Step-by-step explanation:We can see in the graph , that it is bell-shaped along x =2. A bell-shaped graph along one value is called symmetric graph and it represents a normal distribution. Since, the give graph is symmetric around x=2, so the mean of the data is 2.The point immediate left to the mean represents x-σso,2 – σ = 1.5So,σ = 0.5The sigma represents standard deviation.Hence, Option A is correct ..

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