Ohio University sorted 150 new students into one of the four residence hall greens as follows: East Green 44, South Green 40, West Green 35, and North Green 31. In a Chi-Square test, what would the sum (total) of the EXPECTED values/frequencies be for East Green and South Green? (Hint: First calculate the expected values/frequencies for each Green. Then add together the expected values/frequencies for the East and South Greens.)
Which of the following might you use to best display categorical data?
You have collected data on nurses’ annual salaries over a ten-year period (2007 to 2017). Which of the following data organization schemes would best highlight upward and downward changes over time?