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Step 1: Calculate the interquartile range (IQR) by subtracting Q3 from Q1. Show more…
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Consider the boxplot below. (Left line goes from 2 to 10, median line is between 14 and 16, right line goes from 18 to 20) Which of the following statements are true? I. The distribution is skewed right. II. The interquartile range is about 8. III. The median is about 10. (A) I only (B) II only (C) III only (D) I and II (E) II and III
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Which of the following statements are true about the boxplot shown here? The distribution is skewed right. The interquartile range is about 8. The median is about 10.
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Which of the following statements are true? a. If each of 25 sample values is equal to 20 min, the standard deviation of the sample is 0 min. b. For any set of sample values, the standard deviation can never be a negative value. c. If the standard deviation of a sample is $3 \mathrm{kg}$, then the variance is $9 \mathrm{kg}$. d. If the variance of a sample is 16 sec 2 , then the standard deviation is 4 sec. e. If the standard deviation of a sample is $25 \mathrm{cm},$ then the variance is $5 \mathrm{cm} 2 .$
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