Question
A study is published with information about ages of people in a particular region. A sample of five residents from the region have the following
A study is published with information about ages of people in a particular region. A sample of five residents from the region have the following ages, in years. Complete parts (a) through (d) below.
The quantitative data set under consideration has roughly a bell-shaped distribution. Apply the empirical rule to answer the following question. A quantitative data set has mean 21 and standard deviation 2. Approximately what percentage of the observations lie between 15 and 27? The quantitative data set under consideration has roughly a bell-shaped distribution. Apply the empirical rule to answer the following question.The data set has size 50. Approximately how many observations lie within one standard deviation to either side of the mean? |
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