The following bivariate data set contains an outlier. y 423 2093 4
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- Are cigarettes bad for people? Cigarette smoking involves tar, carbon monoxide, and nicotine (measured in milligrams). The first two are definitely not good for a person's health, and the last ingredient can cause addiction. Use the data in the table above to make a stem-and-leaf display for milligrams of tar per cigarette smoked. (Enter NONE in any unused answer blanks.) Are there any outliers? A. Yes, 1.0 may be an outlier. B. No, there are no outliers. C. Yes, 29.8 may be an outlier.For the dataset below, do a complete box-and-line plot analysis. 3 15 18 19 23 23 26 27 28 29 50 Your work must include:Quartiles: Q1, Q2, Q3Interquartile range (IQR) Upper Limit Lower Limit Adjacent Values Outliers. If you have outliers,you must explain why they are outliers. Don’t forget to draw the box and line plotFind the 5 number summary for the data shown 3 18 24 26 28 38 55 63 65 67 5 number summary: 3 65 64 64 X, 21 IQR:|| The 1.5 x IQR rule states that values between and are likely not outliers.
- 10. Consider the box plot shown below: 2 4 6 8 10 12 14 16 a. What is the median of the data set? b. What are the upper and lower quartiles of the dataset? c. What is the interquartile range of the dataset? d. Is the data set skewed to the left, skewed to the right, of symmetric? e. What percentage of the observations in the data set lie to the right of the median? To the left of the upper quartile?Are there any mild outliers in the college students data? Show all work. Construct and label a modified boxplot for the college students data.4. Given a data set 61, 72. 74, 74, 75, 77, 79, 88 (1) Calculate the IQR and determine any outliers. QL =P25: Q3 = P7s: (Q2 = P50 = 75) %3D IQR = Q3-Q1 1.5 IQK [Q1-1.5IQR, Q3+1.5IQR] =
- Choose a correct statement. Leverage means a gap between a data point that is unusual in OLS models. O Discrepancy means how far away an observation is from other observations. c. Cook's distance measures discrepancy. Influential outliers can be calculated by discrepancy X leverage. O Cook's distance measures discrepancy.Using the information in the screenshot, can you please determine if there is any outliers and why?Use the IQR to determine if any of the data in the data set are outliers. {23,80,43,23,0,20,23,23,20,28}{23,80,43,23,0,20,23,23,20,28} Any data value less than or greater than