Question

3. The production of Bidri is a traditional craft of India. Bidriware (bowls, vessels, and so on) is cast from an alloy containing primarily zinc along with some copper. Consider the following observations on copper content (%) for a sample of Bidri artifacts in London's Victoria and Albert Museum "Enigmas of Bidri, Surface Engr, 2005: 333-339), which are listed in increasing order 2.0 2.4 2.5 2.62.6 2.7 2. 28 3.0 3.13.2 3.3 3.3 3. 3.4 3.6 3.63.6 3.6 3.7 4 46 4.7 48 5.3 10.1 a. Construct a stem-and-lcaf display of the data. How does it suggest that the sample mean and median will compare? b. Calculate the values of the sample mean and 95.0. median. Hint: c. By how much could the largest observation, 10.1, be increased without affecting the valuc of the sample median? By how much could this value be decreased without affecting the value of the sample median?

Answer 1