These are sample practice MCQs created for exam preparation. These are NOT official exam questions.
Set A: {10, 20, 30, 40, 50}. Set B: {28, 29, 30, 31, 32}. Which statement is true about the standard deviations?
Question:
Set A: {10, 20, 30, 40, 50}. Set B: {28, 29, 30, 31, 32}. Which statement is true about the standard deviations?
Set A: {10, 20, 30, 40, 50}. Set B: {28, 29, 30, 31, 32}. Which statement is true about the standard deviations?
Options
Answer: (B) Set B has a smaller standard deviation
Explanation:
Both sets have the same mean (30), but Set B has values clustered closer to the mean, resulting in a smaller standard deviation. Set A has values spread from 10 to 50, while Set B ranges only from 28 to 32.
Explanation:
Both sets have the same mean (30), but Set B has values clustered closer to the mean, resulting in a smaller standard deviation. Set A has values spread from 10 to 50, while Set B ranges only from 28 to 32.
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