1.Use the stem and leaf plot to answer the questions about the sample.

3|2444689mean________________

4|013567889

5|002346median ______________

6 |2

2. An experiment was conducted to determine whether a deficiency of carbon dioxide in the soil affects the phenotype of peas.Listed below are the phenotype codes where

1 = smooth-yellow, 2 = smooth-green, 3 = wrinkled-yellow, 4 = wrinkled-green

41422442223332

Mean __________Median_________Mode_________Midrange___________

3. Does it make sense to use any of the measures of center in problem 2?If so, which one(s)?

4. Researchers collected data and found the following: 157.4, median = 136.5, = 25, IQR = 71. When reporting

their findings which should be used for the measure of center and the measure of spread?Why?