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Data Analysis, SM-Bank 056 MC

The dot plot below shows the times, in seconds, of 40 runners in the qualifying heats of their 800 m club championship.
 

The shape of this distribution is best described as

  1. positively skewed with one outlier.
  2. approximately symmetric with one outlier.
  3. approximately symmetric with no outliers.
  4. negatively skewed with one outlier.
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\(A\)

Show Worked Solution

\(\text{Distribution is positively skewed (tail stretches to the right)} \)

\(\text{and 146 is a possible outlier}\)

\(\Rightarrow A\)