Exam 2: Presenting Data in Tables and Charts

TABLE 2-14 The table below contains the number of people who own a portable DVD player in a sample of 600 broken down by gender. Own a Portable DVDPlayer Male Female Yes 96 40 No 224 240 -Referring to Table 2-14,____ percent of the 600 were males who did not owned a portable DVD.

A polygon can be constructed from a bar chart.

The sum of relative frequencies in a distribution always equals 1.

$\text { TABLE 2-12 }$ 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. For Neutral Against Totals Female 38 54 12 104 Male 12 36 48 96 Totals 50 90 60 200 -Referring to Table 2-12, of the males in the sample,_____ percent were for the plan.

TABLE 2-6 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. Did Well in Midterm Did Poorly in Midterm Studying for Exam 80 20 Went Bar Hopping 30 70 -Referring to Table 2-6, of those who did well on the midterm in the sample,____ percent of them went bar hopping the weekend before the midterm.

An ogive is a cumulative percentage polygon.

In a contingency table, the number of rows and columns

TABLE 2-14 The table below contains the number of people who own a portable DVD player in a sample of 600 broken down by gender. Own a Portable DVD Flayer Male Female Yes 96 40 No 224 240 -Referring to Table 2-14, construct a table of total percentages.

$\text { TABLE 2-11 }$ The ordered array below resulted from taking a sample of 25 batches of 500 computer chips and determining how many in each batch were defective. $\text {Defects}$ 1 2 4 4 5 5 6 7 9 9 12 12 15 17 20 21 23 23 25 26 27 27 28 29 29 -Referring to Table 2-11, if a frequency distribution for the defects data is constructed, using "0 but less than 5" as the first class, the relative frequency of the "15 but less than 20" class would be .

You have collected data on the approximate retail price (in $) and the energy cost per year (in $) of 15 refrigerators. Which of the following is the best for presenting the data?

A(n)_______ is a summary table in which numerical data are tallied into class intervals or categories.

The percentage distribution cannot be constructed from the frequency distribution directly.

$\text { TABLE 2-12 }$ 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. For Neutral Against Totals Female 38 54 12 104 Male 12 36 48 96 Totals 50 90 60 200 -Referring to Table 2-12, of those neutral in the sample,_____ percent were males.

TABLE 2-9 The frequency distribution below represents the rents of 250 randomly selected federally subsidized apartments in Minneapolis. Rent in \ Frequency 300 but lessthan 400 113 400 but lessthan 500 85 500 but lessthan 600 32 600 but lessthan 700 16 700 but lessthan 800 4 -Referring to Table 2-9, the percentage of apartments renting for less than $600 is ________.

A survey of 150 executives were asked what they think is the most common mistake candidates make during job interviews. Six different mistakes were given. Which of the following is the best for presenting the information?

TABLE 2-13 Given below is the stem-and-leaf display representing the amount of detergent used in gallons (with leaves in 10ths of gallons) in a month by 25 drive-through car wash operations in Phoenix. Stem Leaves 9 147 10 02238 11 135566777 12 223489 13 02 -Referring to Table 2-13, if a relative frequency or percentage distribution for the detergent data is constructed, using "9.0 but less than 10.0 gallons" as the first class, what percentage of drive-through car wash operations use at least 10 gallons but less than 13 gallons of detergent in a month?

TABLE 2-11 The ordered array below resulted from taking a sample of 25 batches of 500 computer chips and determining how many in each batch were defective. $\text {Defects}$ 1 2 4 4 5 5 6 7 9 9 12 12 15 17 20 21 23 23 25 26 27 27 28 29 29 -Referring to Table 2-11, if a frequency distribution for the defects data is constructed, using "0 but less than 5" as the first class, the frequency of the "20 but less than 25" class would be____

TABLE 2-14 The table below contains the number of people who own a portable DVD player in a sample of 600 broken down by gender. Own a Portable DVD Flayer Male Female Yes 96 40 No 224 240 -Referring to Table 2-14, construct a table of row percentages.

TABLE 2- 10 The histogram below represents scores achieved by 200 job applicants on a personality profile. -Referring to the histogram from Table 2-10, ___________percent of the applicants scored below 20 or at least 50.

TABLE 2-17 The following table presents total retail sales in millions of dollars for the leading apparel companies during April 2001 and April 2002. Apparel Company April 01 April 02 Gap 1,159.00 962 TJX 781.7 899 Limited 596.5 620.4 Kohl's 544.9 678.9 Nordstrom 402.6 418.3 Talbots 139.9 130.1 AnnTaylor 114.2 124.8 -Referring to Table 2-17, in general, retail sales for the apparel industry have seen a modest growth between April 2001 and April 2002.