In numbers 11-16, illustrate your answer with a diagram. 11. What does the prope

Question

In numbers 11-16, illustrate your answer with a diagram. 11. What does the property of a normal curve 68.95-99.7 mean? 12. An observation has 1 "t quartile (Q1)-3, median mean of 7. Is this information enough to decide t diagram/s. on has I" quartile (Q1)-3, median - 10 and 3'd quartile (03)-13 and e skew ness of the data? Explain with 13. The following is the amount in dollars spent by some students on books in a semester. 91 472 279 249 530 376 188 341 266 199 279 (a) Is there any outlier in this distribution? Explain with a modified box plot. 14. Find the measures of center for the data in number 13. 15. Draw the curve to illustrate negatively skewed distribution and positively skewed distribution. Show the positions of the mean, median and mode.

Explanation / Answer

11.

It says that 68% of data lie within (above or below) one standard deviation from the mean, 95% lie within 2 standard deviations from the mean, and 99.7% lie within 3 standard deviations from the mean.

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