Question: PLEASE SOLVE THE FOLLOWING QUESTION PLEASE. SHOW ALL THE STEPS. 1. Forty-five specimens of a certain type of powder were analyzed for sulfur trioxide content.

PLEASE SOLVE THE FOLLOWING QUESTION PLEASE. SHOW ALL THE STEPS.

1. Forty-five specimens of a certain type of powder were analyzed for sulfur trioxide content. Following are the results, in percent. The list has been sorted into numerical order. 144 148 150 154 15? 164 143 14.4|14.8 | 150 | 15.4 | 15.9 164 (a) Construct a stem-and-leaf plot for these data, with a unit stem and two leaves per stem. Is the plot left or right skewed? Calculate the increment of the stem- and-leaf plot. (b) Construct a frequency histogram for these data using a class width of 1. What proportion of the specimen has at most 15 percent sulfur trioxide content? A specimen with 20 percent sulfur trioxide content will fall into which class? (c) Construct a box plot for these data. Does the boxplot show any outliers? If yes, how many outliers

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