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In one sample, the mean is 15 with variance 10. In another sample, the mean is...

In one sample, the mean is 15 with variance 10. In another sample, the mean is 15 with variance 2. Which of the following statements are true? (select all that apply)-- please tell me what is true

The graph of sample one is centered at 10.

Both samples are center at 15.

The graph of sample 1 is flatter than the graph of sample 2.

The graph of sample 2 is flatter than the graph of sample 1.

The graph of sample 1 is more spread out than that of sample 2.

math   Statistics-And-Probability   
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Answer #1

Both samples are center at 15.

The graph of sample 1 is flatter than the graph of sample 2.

The graph of sample 1 is more spread out than that of sample 2.

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