Question

Which statement is true of normally distributed data?

Answer 1

C

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Answer 2

C

Approximately 95% of data falls within 2 standard deviations (±2) of the mean.

Explanation

According to the empirical rule of normal distribution:

Approximately 68% of the data falls within ±1 standard deviation of the mean

2. Approximately 95% of the data falls within ±2 standard deviations of the mean

3. Approximately 99.7% of the data falls within ±3 standard deviations of the mean.

Therefore, among the given options, only option C adheres to the empirical rule of the normal distribution. Therefore, the option C is correct