d. 37% 5. For the following distribution, how many people had scores less than X

Question

d. 37% 5. For the following distribution, how many people had scores less than X- 20 20-25 2 15-19 5 10-14 4 b. 12 C. 6. A professor is interested in collecting data on the majors of his Statistics students. H to report their majors. data? What measure of central tendency is it best for him to use when reporting these e asks his s students a. mode b. median c. weighted mean d. mean 7. What is the mean for the following scores? Scores: 1,6, 14 a. b. 3 d. 10.5 8. Determining the class standing (1st, 2nd, and so on) for the graduating seniors at a high school would involve measurement on a(n)scale of measurement. a. ordinal b. nominal c. interval or ratio 9. A researcher conducts an experiment to determine whether moderate doses of St. John's wort have an effect on memory for college students. For this study, what is the independent variable? a. The amount of St. John's wort given to each participant b. The group of college students c. The memory score for each participant

Explanation / Answer

Ans 6

a. Mode is the best measure as the data is Nominal data

Ans 7 c. 7

Mean = (1+6+14)/3 = 

Ans 8 . Ordina;

Ans 9

a. The amount of St.Jho's word given to each participant

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