
Chapter 3
... Example: The following data represent exam score in a statistics class taught using traditional lecture and a in a statistics class taught using a “flipped” classroom. Use your calculator (1-VarStats) to find the standard deviation for each sample. Which class has more dispersion in the exam scores? ...
... Example: The following data represent exam score in a statistics class taught using traditional lecture and a in a statistics class taught using a “flipped” classroom. Use your calculator (1-VarStats) to find the standard deviation for each sample. Which class has more dispersion in the exam scores? ...
Descriptive Statistics
... What's the average? We have heard the question many times: travelers will ask about on-time averages, university administrators will ask about retention rates (average number of students that return after their first year), investors will ask about average rates of return, sports fans may ask about ...
... What's the average? We have heard the question many times: travelers will ask about on-time averages, university administrators will ask about retention rates (average number of students that return after their first year), investors will ask about average rates of return, sports fans may ask about ...
(or n) vs. N - 1(or n - 1) re-visited
... the population variance; but it's not OK for the sample standard deviation (for the same reason indicated for N - 1). 3. What do most people do? I haven't carried out an extensive survey, but my impression is that many authors of statistics textbooks and many people who have websites for the teachin ...
... the population variance; but it's not OK for the sample standard deviation (for the same reason indicated for N - 1). 3. What do most people do? I haven't carried out an extensive survey, but my impression is that many authors of statistics textbooks and many people who have websites for the teachin ...