Author Question: If a sample has 40 observations and the researcher is interested in computing a 10 trimmed mean, ... (Read 60 times)

piesebel · **on:** Jul 24, 2018

If a sample has 40 observations and the researcher is interested in computing a 10 trimmed mean, how many observations will be removed from the sample?

a.zero observations
b.ten observations
c.four observations

d.eight observations

Question 2

Which of the following cannot be conveyed using a stem-and-leaf plot?

a.The spread of the data set.
b.The presence of any outlying values.
c.The order in which the observations were obtained.
d.The presence of any gaps in the data.