Stats Midterm Review

Which of the following is an example of data at the nominal level of measurement?

• Jim, Sarah, and Bob are members of the 2004 graduating class
• During the years 1861 to 1865, Abraham Lincoln was president of the United States
• The average surface temperature of Mars is 214 oK
• None of the above

Tags

CCSS.HSS.ID.B.5

Which of the following is an example of data at the Nominal Level of measurement?

• The temperature (in degrees fahrenheit) in an office building
• The temperature of Mars given in the Kelvin scale of temperature
• None of above
• The review of a new movie

Which of the following is an example of data at the ratio level of measurement?

• The temperature (in degrees Celsius) of the Mars Moons
• The temperature of Mars given in Kelvin
• The average daily temperature (in degrees Celsius) in Tampa
• An evaluation of a new car (below average, average, above average)

A placebo is being used in the following example: A pill contains a new drug to help people quit smoking. A group of 90 cigarette smokers have volunteered as subjects to test new pill. For one month, 25 of the volunteers receive the pill containing the new drug. The other volunteers receive a pill with no drugs. At the end of three months, each subject is surveyed regarding his or her current smoking habits

• True
• False

A professor of social science at a certain university questioned 200 students out of a total enrollment of 12,243 concerning their opinions of the quality of various university services.Identify the variable.

• the professor
• the students’ opinions
• 200 students
• social science

Choose the word that does not complete the following statement:
Descriptive statistics involves methods of ____________, _____________, and _______________ information from __________ or populations.

• summarizing
• picturing
• organizing
• calculating

Select the most appropriate from the choices below. This tool for visually organizing data is useful for qualitative or quantitative data by displaying frequency or relative frequency of occurrence or by displaying the measurement itself.

• Stem-and-Leaf Display
• Bar Graph
• Pareto Chart
• Ogive

Select the most appropriate from the choices below. This tool for visually organizing data displays how a total is dispersed into several categories. It is good for qualitative data or any data where percentage of occurrence makes sense.

• Pareto Chart
• Ogive
• Circle Graph
• Frequency Polygon

Select the most appropriate from the choices below. This tool for visually organizing data displays the frequency or relative frequency of quantitative values rather than categories of qualitative data. It condenses exact values into information that can be assimilated more quickly.

• Histogram
• Ogive
• Circle Graph
• Time Plot

Which would be best suited for displaying how a college student allocates his or her time during the course of a typical day?.

• Pareto Chart
• Frequency Polygon
• Stem-and-Leaf Display
• Circle Graph