,Ch.51 Introduction5to5Statistics
1.1 An5Overview5of5Statistics
1 Distinguish5 Between5 a5 Population5 and5 a5 Sample
SHORT5 ANSWER.5 Write5 the5 word5 or5 phrase5 that5 best5 completes5 each5 statement5 or5 answers5 the5 question.
Identify5 the5 population5 and5 the5 sample.
1) A5 survey5 of5 13785 American5 households5 found5 that5 27%5 of5 the5 households5 own5 a5 computer.
2) When5 10945 American5 households5 were5 surveyed,5 it5 was5 found5 that5 67%5 of5 them5 owned5 two5 cars.
3) A5 survey5 of5 26255 elementary5 school5 children5 found5 that5 28%5 of5 the5 children5 could5 be5 classified5 as5 obese.
2 Distinguish5 Between5 a5 Parameter5 and5 a5 Statistic
SHORT5 ANSWER.5 Write5 the5 word5 or5 phrase5 that5 best5 completes5 each5 statement5 or5 answers5 the5 question.
Determine5 whether5 the5 numerical5 value5 is5 a5 parameter5 or5 a5 statistic.5 Explain5 your5 reasoning.
4) A5recent5survey5by5the5alumni5of5a5major5university5indicated5that5the5average5salary5of5 10,5005of5its5175,0005g
raduates5was5$95,000.
5) The5 average5 salary5 of5 all5 assembly5-line5 employees5 at5 a5 certain5 car5 manufacturer5 is5 $41,000..
6) A5 survey5 of5 11625 students5 was5 taken5 from5 a5 university5 with5 10,0005 students.
3 Distinguish5 Between5 Descriptive5 Statistics5 and5 Inferential5 Statistics
MULTIPLE5 CHOICE.5 Choose5 the5 one5 alternative5 that5 best5 completes5 the5 statement5 or5 answers5 the5 question.
Identify5 whether5 the5 statement5 describes5 inferential5 statistics5 or5 descriptive5 statistics.
7) The5 average5 age5 of5 the5 students5 in5 a5 statistics5 class5 is5 195 years.
A) descriptive5 statistics B)5 inferential5 statistics
8) The5 chances5 of5 winning5 the5 California5 Lottery5 are5 one5 chance5 in5 twenty-two5 million.
A) inferential5 statistics B)5 descriptive5 statistics
9) There5 is5 a5 relationship5 between5 smoking5 cigarettes5 and5 getting5 emphysema.
A) inferential5 statistics B)5 descriptive5 statistics
10) From5 past5 figures,5 it5 is5 predicted5 that5 19%5 of5 the5 registered5 voters5 in5 California5 will5 vote5 in5 the5 June5 primary.
A) inferential5 statistics B)5 descriptive5 statistics
11) Based5on5previous5clients,5a5marriage5counselor5concludes5that5the5majority5of5marriages5that5begin5with5 c
ohabitation5before5marriage5will5result5in5divorce.
A) inferential5 statistics B)5 descriptive5 statistics
4 Concepts
SHORT5 ANSWER.5 Write5 the5 word5 or5 phrase5 that5 best5 completes5 each5 statement5 or5 answers5 the5 question.
Provide5 an5 appropriate5 response.
12) Explain5 the5 difference5 between5 a5 sample5 and5 a5 population.
13) If5 you5 had5 to5 do5 a5 statistical5 study,5 would5 you5 use5 a5 sample5 or5 a5 population?5 Why?
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Copyright5©520125Pearson5Education,5Inc
.
,1.2 Data5Classification
15 5 Distinguish5 Between5 Qualitative5 and5 Quantitative5 Data
MULTIPLE5 CHOICE.5 Choose5 the5 one5 alternative5 that5 best5 completes5 the5 statement5 or5 answers5 the5 question.
Determine5 whether5 the5 data5 are5 qualitative5 or5 quantitative.
1) the5 colors5 of5 automobiles5 on5 a5 used5 car5 lot
A) qualitative B)5 quantitative
2) the5 number5 of5 complaint5 letters5 received5 by5 the5 United5 States5 Postal5 Service5 in5 a5 given5 day
A) quantitative B)5 qualitative
3) the5 number5 of5 seats5 in5 a5 movie5 theater
A) quantitative B)5 qualitative
4) the5 numbers5 on5 the5 shirts5 of5 a5 girlʹs5 soccer5 team
A) qualitative B)5 quantitative
25 5 Classify5 Data5 with5 Respect5 to5 the5 Four5 Levels5 of5 Measurement
MULTIPLE5 CHOICE.5 Choose5 the5 one5 alternative5 that5 best5 completes5 the5 statement5 or5 answers5 the5 question.
Identify5 the5 data5 setʹs5 level5 of5 measurement.
5) hair5 color5 of5 women5 on5 a5 high5 school5 tennis5 team
A) nominal B)5 ordinal C)5 interval D)5 ratio
6) numbers5 on5 the5 shirts5 of5 a5 girlʹs5 soccer5 team
A) nominal B)5 ordinal C)5 interval D)5 ratio
7) ages5 of5 students5 in5 a5 statistic5 class
A) ratio B)5 ordinal C)5 interval D)5 nominal
8) temperatures5 of5 125 selected5 refrigerators
A) interval B)5 ordinal C)5 nominal D)5 ratio
9) number5 of5 milligrams5 of5 tar5 in5 855 cigarettes
A) ratio B)5 ordinal C)5 interval D)5 nominal
10) number5 of5 pages5 in5 your5 statistics5 book
A) ratio B)5 ordinal C)5 interval D)5 nominal
11) marriage5 status5 (married,5 single,5 or5 divorced)5 of5 the5 faculty5 at5 the5 University5 of5 Colorado
A) nominal B)5 ordinal C)5 interval D)5 ratio
12) list5 of512025 social5 security5 numbers
A) nominal B)5 ordinal C)5 interval D)5 ratio
13) the5 ratings5 of5 a5 movie5 ranging5 from5 ʺpoorʺ5 to5 ʺgoodʺ5 to5 ʺexcellentʺ
A) ordinal B)5 nominal C)5 interval D)5 ratio
14) the5 final5 grades5 (A,5 B,5 C,5 D,5 and5 F)5 for5 students5 in5 a5 statistics5 class
A) ordinal B)5 nominal C)5 interval D)5 ratio
15) the5 annual5 salaries5 for5 all5 teachers5 in5 California
A) ratio B)5 ordinal C)5 interval D)5 nominal
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.
, 16) list5of5 zip5codes5 for5 Chicago
A) nominal B)5 ordinal C)5 interval D)5 ratio
17) the5 nationalities5 listed5 in5 a5 recent5 survey5 (for5 example,5 Asian,5 European,5 or5 Hispanic).
A) nominal B)5 ordinal C)5 interval D)5 ratio
18) the5 amounts5 of5 fat5 (in5 grams)5 in5 525 cookies
A) ratio B)5 ordinal C)5 interval D)5 nominal
19) the5 years5 the5 summer5 Olympics5 were5 held5 in5 the5 United5 States
A) interval B)5 ordinal C)5 nominal D)5 ratio
20) numbers5 of5 touchdowns5 scored5 by5 a5 major5 university5 in5 five5 randomly5 selected5 games
5 3 1 2 4
A) ratio B)5 ordinal C)5 interval D)5 nominal
21) the5 average5 daily5 temperatures5 (in5 degrees5 Fahrenheit)5 on5 five5 randomly5 selected5 days
355 5 245 5 305 5 315 5 34
A) interval B)5 nominal C)5 ordinal D)5 ratio
22) manuscripts5 rated5 ʺacceptableʺ5 or5 ʺunacceptableʺ
A) ordinal B)5 nominal C)5 ratio D)5 interval
23) the5 lengths5 (in5 minutes)5 of5 the5 top5 ten5 movies5 with5 respect5 to5 ticket5 sales5 in5 2007
A) ratio B)5 nominal C)5 ordinal D)5 interval
24) the5 data5 listed5 on5 the5 horizontal5 axis5 in5 the5 graph
A) nominal B)5 interval C)5 ordinal D)5 ratio
Page5 3
Copyright5©520125Pearson5Education,5Inc
.
1.1 An5Overview5of5Statistics
1 Distinguish5 Between5 a5 Population5 and5 a5 Sample
SHORT5 ANSWER.5 Write5 the5 word5 or5 phrase5 that5 best5 completes5 each5 statement5 or5 answers5 the5 question.
Identify5 the5 population5 and5 the5 sample.
1) A5 survey5 of5 13785 American5 households5 found5 that5 27%5 of5 the5 households5 own5 a5 computer.
2) When5 10945 American5 households5 were5 surveyed,5 it5 was5 found5 that5 67%5 of5 them5 owned5 two5 cars.
3) A5 survey5 of5 26255 elementary5 school5 children5 found5 that5 28%5 of5 the5 children5 could5 be5 classified5 as5 obese.
2 Distinguish5 Between5 a5 Parameter5 and5 a5 Statistic
SHORT5 ANSWER.5 Write5 the5 word5 or5 phrase5 that5 best5 completes5 each5 statement5 or5 answers5 the5 question.
Determine5 whether5 the5 numerical5 value5 is5 a5 parameter5 or5 a5 statistic.5 Explain5 your5 reasoning.
4) A5recent5survey5by5the5alumni5of5a5major5university5indicated5that5the5average5salary5of5 10,5005of5its5175,0005g
raduates5was5$95,000.
5) The5 average5 salary5 of5 all5 assembly5-line5 employees5 at5 a5 certain5 car5 manufacturer5 is5 $41,000..
6) A5 survey5 of5 11625 students5 was5 taken5 from5 a5 university5 with5 10,0005 students.
3 Distinguish5 Between5 Descriptive5 Statistics5 and5 Inferential5 Statistics
MULTIPLE5 CHOICE.5 Choose5 the5 one5 alternative5 that5 best5 completes5 the5 statement5 or5 answers5 the5 question.
Identify5 whether5 the5 statement5 describes5 inferential5 statistics5 or5 descriptive5 statistics.
7) The5 average5 age5 of5 the5 students5 in5 a5 statistics5 class5 is5 195 years.
A) descriptive5 statistics B)5 inferential5 statistics
8) The5 chances5 of5 winning5 the5 California5 Lottery5 are5 one5 chance5 in5 twenty-two5 million.
A) inferential5 statistics B)5 descriptive5 statistics
9) There5 is5 a5 relationship5 between5 smoking5 cigarettes5 and5 getting5 emphysema.
A) inferential5 statistics B)5 descriptive5 statistics
10) From5 past5 figures,5 it5 is5 predicted5 that5 19%5 of5 the5 registered5 voters5 in5 California5 will5 vote5 in5 the5 June5 primary.
A) inferential5 statistics B)5 descriptive5 statistics
11) Based5on5previous5clients,5a5marriage5counselor5concludes5that5the5majority5of5marriages5that5begin5with5 c
ohabitation5before5marriage5will5result5in5divorce.
A) inferential5 statistics B)5 descriptive5 statistics
4 Concepts
SHORT5 ANSWER.5 Write5 the5 word5 or5 phrase5 that5 best5 completes5 each5 statement5 or5 answers5 the5 question.
Provide5 an5 appropriate5 response.
12) Explain5 the5 difference5 between5 a5 sample5 and5 a5 population.
13) If5 you5 had5 to5 do5 a5 statistical5 study,5 would5 you5 use5 a5 sample5 or5 a5 population?5 Why?
Page5 1
Copyright5©520125Pearson5Education,5Inc
.
,1.2 Data5Classification
15 5 Distinguish5 Between5 Qualitative5 and5 Quantitative5 Data
MULTIPLE5 CHOICE.5 Choose5 the5 one5 alternative5 that5 best5 completes5 the5 statement5 or5 answers5 the5 question.
Determine5 whether5 the5 data5 are5 qualitative5 or5 quantitative.
1) the5 colors5 of5 automobiles5 on5 a5 used5 car5 lot
A) qualitative B)5 quantitative
2) the5 number5 of5 complaint5 letters5 received5 by5 the5 United5 States5 Postal5 Service5 in5 a5 given5 day
A) quantitative B)5 qualitative
3) the5 number5 of5 seats5 in5 a5 movie5 theater
A) quantitative B)5 qualitative
4) the5 numbers5 on5 the5 shirts5 of5 a5 girlʹs5 soccer5 team
A) qualitative B)5 quantitative
25 5 Classify5 Data5 with5 Respect5 to5 the5 Four5 Levels5 of5 Measurement
MULTIPLE5 CHOICE.5 Choose5 the5 one5 alternative5 that5 best5 completes5 the5 statement5 or5 answers5 the5 question.
Identify5 the5 data5 setʹs5 level5 of5 measurement.
5) hair5 color5 of5 women5 on5 a5 high5 school5 tennis5 team
A) nominal B)5 ordinal C)5 interval D)5 ratio
6) numbers5 on5 the5 shirts5 of5 a5 girlʹs5 soccer5 team
A) nominal B)5 ordinal C)5 interval D)5 ratio
7) ages5 of5 students5 in5 a5 statistic5 class
A) ratio B)5 ordinal C)5 interval D)5 nominal
8) temperatures5 of5 125 selected5 refrigerators
A) interval B)5 ordinal C)5 nominal D)5 ratio
9) number5 of5 milligrams5 of5 tar5 in5 855 cigarettes
A) ratio B)5 ordinal C)5 interval D)5 nominal
10) number5 of5 pages5 in5 your5 statistics5 book
A) ratio B)5 ordinal C)5 interval D)5 nominal
11) marriage5 status5 (married,5 single,5 or5 divorced)5 of5 the5 faculty5 at5 the5 University5 of5 Colorado
A) nominal B)5 ordinal C)5 interval D)5 ratio
12) list5 of512025 social5 security5 numbers
A) nominal B)5 ordinal C)5 interval D)5 ratio
13) the5 ratings5 of5 a5 movie5 ranging5 from5 ʺpoorʺ5 to5 ʺgoodʺ5 to5 ʺexcellentʺ
A) ordinal B)5 nominal C)5 interval D)5 ratio
14) the5 final5 grades5 (A,5 B,5 C,5 D,5 and5 F)5 for5 students5 in5 a5 statistics5 class
A) ordinal B)5 nominal C)5 interval D)5 ratio
15) the5 annual5 salaries5 for5 all5 teachers5 in5 California
A) ratio B)5 ordinal C)5 interval D)5 nominal
Page5 2
Copyright5©520125Pearson5Education,5Inc
.
, 16) list5of5 zip5codes5 for5 Chicago
A) nominal B)5 ordinal C)5 interval D)5 ratio
17) the5 nationalities5 listed5 in5 a5 recent5 survey5 (for5 example,5 Asian,5 European,5 or5 Hispanic).
A) nominal B)5 ordinal C)5 interval D)5 ratio
18) the5 amounts5 of5 fat5 (in5 grams)5 in5 525 cookies
A) ratio B)5 ordinal C)5 interval D)5 nominal
19) the5 years5 the5 summer5 Olympics5 were5 held5 in5 the5 United5 States
A) interval B)5 ordinal C)5 nominal D)5 ratio
20) numbers5 of5 touchdowns5 scored5 by5 a5 major5 university5 in5 five5 randomly5 selected5 games
5 3 1 2 4
A) ratio B)5 ordinal C)5 interval D)5 nominal
21) the5 average5 daily5 temperatures5 (in5 degrees5 Fahrenheit)5 on5 five5 randomly5 selected5 days
355 5 245 5 305 5 315 5 34
A) interval B)5 nominal C)5 ordinal D)5 ratio
22) manuscripts5 rated5 ʺacceptableʺ5 or5 ʺunacceptableʺ
A) ordinal B)5 nominal C)5 ratio D)5 interval
23) the5 lengths5 (in5 minutes)5 of5 the5 top5 ten5 movies5 with5 respect5 to5 ticket5 sales5 in5 2007
A) ratio B)5 nominal C)5 ordinal D)5 interval
24) the5 data5 listed5 on5 the5 horizontal5 axis5 in5 the5 graph
A) nominal B)5 interval C)5 ordinal D)5 ratio
Page5 3
Copyright5©520125Pearson5Education,5Inc
.
