Exam 2: Presenting Data in Tables and Charts

TABLE 2-8 The Stem-and-Leaf display below contains data on the number of months between the date a civil suit is filed and when the case is actually adjudicated for 50 cases heard in superior court. Note: 1L means the "low teens" - 10, 11, 12, 13, or 14; 1H means the "high teens" - 15, 16, 17, 18, or 19; 2L means the "low twenties" - 20, 21, 22, 23, or 24, etc. -Referring to Table 2-8, if a frequency distribution with equal sized classes was made from this data, and the first class was "10 but less than 20," the cumulative percentage of the second class would be ________.

The grade level (K-12) of a student is an example of a nominal scaled variable.

TABLE 2-11 The histogram below represents scores achieved by 200 job applicants on a personality profile. -Referring to the histogram from Table 2-11, ________ percent of the job applicants scored between 10 and 20.

TABLE 2-1 The manager of the customer service division of a major consumer electronics company is interested in determining whether the customers who have purchased a DVD player made by the company over the past 12 months are satisfied with their products. -Referring to Table 2-1, the possible responses to the question "In which year were you born?" are values from a

The amount of coffee consumed by an individual in a day is an example of a discrete numerical variable.

TABLE 2-13 The table below contains the opinions of a sample of 200 people broken down by gender about the latest congressional plan to eliminate anti-trust exemptions for professional baseball. -Referring to Table 2-13, of those for the plan in the sample, ________ percent were females.

TABLE 2-13 The table below contains the opinions of a sample of 200 people broken down by gender about the latest congressional plan to eliminate anti-trust exemptions for professional baseball. -Referring to Table 2-13, ________ percent of the 200 were not neutral.

TABLE 2-15 The table below contains the number of people who own a portable DVD player in a sample of 600 broken down by gender. -Referring to Table 2-15, ________ percent of the 600 were females who owned a portable DVD.

TABLE 2-1 The manager of the customer service division of a major consumer electronics company is interested in determining whether the customers who have purchased a DVD player made by the company over the past 12 months are satisfied with their products. -Referring to Table 2-1, the possible responses to the question "How many people are there in your household?" result in

TABLE 2-11 The histogram below represents scores achieved by 200 job applicants on a personality profile. -Referring to the histogram from Table 2-11, ________ percent of the applicants scored between 20 and 50.

TABLE 2-9 The Stem-and-Leaf display represents the number of times in a year that a random sample of 100 "lifetime" members of a health club actually visited the facility. -Referring to Table 2-9, the person who visited the health club less than anyone else in the sample visited the facility ________ times.

A continuous variable may take on any value within its relevant range even though the measurement device may not be precise enough to record it.

A side-by-side chart is two histograms plotted side-by-side.

TABLE 2-17 The figure below is the percentage polygon for the amount of calories for a sample of 36 pizzas products where the upper limits of the intervals are: 310, 340, 370, 400 and 430. -Referring to Table 2-17, roughly what percentage of pizza products contains between 340 and 400 calories?

If the values of the seventh and eighth class in a cumulative frequency distribution are the same, we know that there are no observations in the eighth class.

TABLE 2-7 A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether they went bar hopping the weekend before the midterm or spent the weekend studying, and whether they did well or poorly on the midterm. The following table contains the result. -Referring to Table 2-7, if the sample is a good representation of the population, we can expect ________ percent of those who spent the weekend studying to do poorly on the midterm.

TABLE 2-13 The table below contains the opinions of a sample of 200 people broken down by gender about the latest congressional plan to eliminate anti-trust exemptions for professional baseball. -Referring to Table 2-13, ________ percent of the 200 were males who were neutral.

Most colleges admit students based on their achievements in a number of different areas. Whether a student has taken any advanced placement courses is an example of a ________ variable.

A statistics student found a reference in the campus library that contained the median family incomes for all 50 states. She would report her data as being collected using

TABLE 2-13 The table below contains the opinions of a sample of 200 people broken down by gender about the latest congressional plan to eliminate anti-trust exemptions for professional baseball. -Referring to Table 2-13, construct a table of column percentages.