Quantitative & Categorical Variables & Diplays

Which of the following is an example of categorical data?

• Height

• Number of Credits Earned

• Grade in School

• Grade Point Average

Which of the following is an example of a quantitative variable?

• Supervising Manager

• Hours Worked

• Pay Scale Group

• Certification

Which of the following is a categorical variable?

• Flight Length

• Flight Number

• Number of Passengers

• Fuel Consumption

Which of the following is an example of a quantitative variable?

• Studio of Oscar Winners

• Academy Association Membership Number

• Film Genre

• Age of Oscar Winner

You wish to display the data of a frequency table which shows the numbers of males or females that have been diagnosed with lung cancer. Which would be the most appropriate way to display this data in this form?

• Pie Chart

• Segmented Bar Chart

• Stem-and-Leaf Plot

• Bar Chart

You have charted the high temperature in your home town for each day of the month of July, and you want to display your data in a graph. Which of the following would be an inappropriate way to display this raw data?

• Histogram

• Segmented Bar Chart

• Stem-and-Leaf Plot

• DotPlot

Because the long-term benefit of Covid vaccines have not been determined, medical researchers investigated the health histories of the past year of 120 recipients who were diagnosed with Covid within one year after being vaccinated. They asked questions to determine length of illness, severity of illness, and number of times they had contracted the disease. Identify the population in the study.

• Numbers Who Became Severely Ill from Covid

• Persons Who Have Been Vaccinated

• Persons Who Became Ill with Covid

• 120 vaccinated individuals who contracted Covid

What is the relative frequency of High School?

• 2%

• 50%

• 5%

• 20%

Given the drink sales contingency table shown, what percentage of coffees sold occurred in Spring '07?

• 15.8%

• 32.3%

• 42.8%

• 43.9%

Given the drink sales conditional distribution shown, what percent of the Summer '07 sales were tea?

• 12.1%

• 34.3%

• 36.3%

• 39.5%