Unit 1 Vocabulary
The person that the data is about.
What is an individual?
Find the range:
1, 4, 5, 6, 7, 9, 16, 17
What is 24%?
The number of people who watched less than 60 minutes of TV.
What is 9?
Find the percent of data between 3 standard deviations of the mean.
What is 99.7%?
Color, Zip Code, Year, Breed of Dog
What is a categorical variable?
Find the relative frequency of 80
What is 19%?
True or false: There are more year 8 students with blue eyes than there are year 7 students with brown eyes.
What is true?
The percent of goals are more than 3.
Find the percentile of 14:
2, 3, 4, 5, 6, 6, 6, 7, 8, 10, 11, 14, 15, 16, 17
What is the 73rd percentile?
Length, Weight, Number of Books, Salary
What is a quantitative variable?
Find the mean:
2, 3, 5, 6, 7, 8, 10
What is 5.9?
The percent of students in year 7 who have green eyes.
What is 29%?
The 5-number summary
What is 20, 70, 110, 140, 160?
Given a mean of 13 and standard deviation of 3, what percent of data is between 10 and 19
What is 81.5%?
A social researcher wants to learn whether or not there is a link between attendance and grades. She gathers data from 15 school districts.
What is an observational study?
Find the cumulative frequency of 70.
What is 49%?
If there are 500 students, how many students preferred science?
What is 95?
The percent of data below 140.
What is 75%?
If a study of 500 college students provided a z-score of z = .73 working at most 25 hours a week, how many college students work at most 25 hours a week?
What is 384 students?
A dentist wants to know what works best to whiten teeth. He tells half his patients to use whitening strips, and the other half to use a mouth wash.
What is an experiment?
Find the median:
2, 3, 4, 5, 6, 6, 6, 7, 8, 10, 11, 14, 15, 16, 17
What is 7?
Find the error in the graph.
What is a shortened y-Axis?
What is the graph doesn't start at 0?
True or False: 50% of the data in Set F is greater than 75% of the data in Set E.
What is False?
Find the percent of data where z > 2.14