Question: Identify the independent variable s and the dependent variable for each
Identify the independent variable(s) and the dependent variable for each of the studies in Exercise 17.
Answer to relevant QuestionsFor each of the studies in Exercise 17, suggest possible confounding variables. The number of stories in each of the world’s 30 tallest buildings follows. Construct a grouped frequency distribution and a cumulative frequency distribution with 7 classes. The data show the NFL team payrolls (in millions of dollars) for a specific year. Construct a frequency distribution for the payroll using 7 classes. (The data in this exercise will be used in Exercise 17 in Section 3–2.) The frequency distributions shown indicate the percentages of public school students in fourth-grade reading and mathematics who performed at or above the required proficiency levels for the 50 states in the United States. ...a. Construct a frequency distribution; include class limits, class frequencies, midpoints, and cumulative frequencies. b. Construct a frequency polygon. c. Construct an ogive.
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