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This module presents students with a number of problems related to statistical sampling and data. In particular, students are asked to demonstrate understanding of concepts such as frequency, relative frequency, and cumulative relative frequency, random samples, quantitative vs. qualitative data, continuous vs. discrete data, and other key terms related to sampling and data. Labs changed to incorporate mini-tabs.

For each item below:

  • I

    Identify the type of data (quantitative - discrete, quantitative - continuous, or qualitative) that would be used to describe a response.
  • Ii

    Give an example of the data.
  • A

    Number of tickets sold to a concert
  • B

    Amount of body fat
  • C

    Favorite baseball team
  • D

    Time in line to buy groceries
  • E

    Number of students enrolled at Evergreen Valley College
  • F

    Most–watched television show
  • G

    Brand of toothpaste
  • H

    Distance to the closest movie theatre
  • I

    Age of executives in Fortune 500 companies
  • J

    Number of competing computer spreadsheet software packages
  • A

    quantitative - discrete
  • B

    quantitative - continuous
  • C

    qualitative
  • D

    quantitative - continuous
  • E

    quantitative - discrete
  • F

    qualitative
  • G

    qualitative
  • H

    quantitative - continuous
  • I

    quantitative - continuous
  • J

    quantitative - discrete

Fifty part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below:

Part-time student course loads
# of Courses Frequency Relative Frequency Cumulative Relative Frequency
1 30 0.6
2 15
3
  • A

    Fill in the blanks in the table above.
  • B

    What percent of students take exactly two courses?
  • C

    What percent of students take one or two courses?

Sixty adults with gum disease were asked the number of times per week they used to floss before their diagnoses. The (incomplete) results are shown below:

Flossing frequency for adults with gum disease
# Flossing per Week Frequency Relative Frequency Cumulative Relative Freq.
0 27 0.45
1 18
3 0.93
6 3 0.05
7 1 0.02
  • A

    Fill in the blanks in the table above.
  • B

    What percent of adults flossed six times per week?
  • C

    What percent flossed at most three times per week?
  • B

    5%
  • C

    93%

A fitness center is interested in the average amount of time a client exercises in the center each week. Define the following in terms of the study. Give examples where appropriate.

  • A

    Population
  • B

    Sample
  • C

    Parameter
  • D

    Statistic
  • E

    Variable
  • F

    Data

Ski resorts are interested in the average age that children take their first ski and snowboard lessons. They need this information to optimally plan their ski classes. Define the following in terms of the study. Give examples where appropriate.

  • A

    Population
  • B

    Sample
  • C

    Parameter
  • D

    Statistic
  • E

    Variable
  • F

    Data
  • A

    Children who take ski and snowboard lessons
  • B

    A group of these children
  • C

    The population average
  • D

    The sample average
  • E

    X = the age of one child who takes the first ski or snowboard lesson
  • F

    A value for X , such as 3, 7, etc.

A cardiologist is interested in the average recovery period for her patients who have had heart attacks. Define the following in terms of the study. Give examples where appropriate.

  • A

    Population
  • B

    Sample
  • C

    Parameter
  • D

    Statistic
  • E

    Variable
  • F

    Data

Insurance companies are interested in the average health costs each year for their clients, so that they can determine the costs of health insurance. Define the following in terms of the study. Give examples where appropriate.

  • A

    Population
  • B

    Sample
  • C

    Parameter
  • D

    Statistic
  • E

    Variable
  • F

    Data
  • A

    The clients of the insurance companies
  • B

    A group of the clients
  • C

    The average age of the clients
  • D

    The average age of the sample
  • E

    X = the age of one client
  • F

    A value for X , such as 34, 9, 82, etc.

Questions & Answers

short run AC curves?
Jasmin Reply
what is short run AC curves?
Jasmin
what is short run curves?
Jasmin
what is short run curves?
Jasmin
nooo am not from India why!?
Godwin Reply
h
Hamid
Godwin which level of education are you please
Millionaires
millionaires am in SHS 2
Godwin
vnsgu BBA ki first sem ki all subjects ki koi app he ?
Modi Reply
one is business economics app
mudasir
all subjects ki koi nhi he ?
Modi
for accounts u can download accounts complete course app ... step by step Al the topics r mentioned
mudasir
Muje BBA ke first semester ke liye chahiye.... Vnsgu
Modi
there is a app for bba
Muhammad
named as college tutor on play store
Muhammad
isme sab subject ki books aa jayegi ?
Modi
han g
Muhammad
baqi main bad main batata hun abi online paper ho raha ha
Muhammad
okk....
Modi
Apki knsi uni ha
Muhammad
aik aur app ha but wo indian ha
Muhammad
Named as bba books
Muhammad
okk
Modi
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Modi
Mera Vnsgu he
Modi
asslam alaikum
Hamid
BBA books app ki photo send kijiye naa please
Modi
photo kesy send ho skty ha yahan sy?
Muhammad
I mean iska option kahan ha
Muhammad
haa.. sorry
Modi
collage tutor mein join teacher wala hi aata he or kuch nhi aata he
Modi
ok
Muhammad
Mera Vnsgu he
Modi
Ap play store py ja ky waha search ker lain wahan sy asani sy ye app mil jay ga apko
Muhammad
ab books kaha lau ?
Modi
oh sorry
Muhammad
main apko sham rak batata hun abi paper ho raha ha☺☺
Muhammad
kya search maru ?
Modi
yar ap ki books ka name kia ha?
Muhammad
modi
Hamid
who know accounting
Hamid
Hmare pass koi bhi subject ki book nhi he
Modi
abi 1st semester ha
Muhammad
ha... First semester
Modi
Yes sir
Modi
mujy book pary ha pdf ma accounting economic statistics Kay book ha mery pass
Hamid
pdf ma h
Hamid
to send karo naa
Modi
ya pa kasy kro
Hamid
kya ?
Modi
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Hamid
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Hamid
jaldi
Hamid
technical error bta rha he
Modi
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Modi
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Hamid
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Hamid
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Modi
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Hamid
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Modi
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Hamid
ap kiya Kiya chlty ho batio
Hamid
mtlb ?
Modi
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Hamid
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Hamid
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Hamid
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Modi
Modi
Muhammad
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Hamid
Modi are you from india
Muhammad
yr privacy ha Aik I'd pa req nhi jaty
Hamid
who was the father of economic ?why?
Mahesh Reply
who was the known as father of economic?why?
Mahesh
Rationing and hoarding
Semiat Reply
how do the size of a country's population affect labour force
Evans Reply
a mixed economic system
Ngong Reply
What are the types of price elasticity of demand
Juliana Reply
what are massures to promote geographical mobility of labor?
Ngong
Is to make sure that a labourer to know more about his salary to earn before going to the direction
shehu
what is trade
PHILIPPE Reply
Trade is a basic economic concept involving the buying and selling of goods and services, with compensation paid by a buyer to a seller, or the exchange of goods or services between parties. Trade can take place within an economy between producers and consumers.
Miss
what is fisical policy?
ha Reply
fisical policy or fiscal policy?
Miss
what are.the characteristics of economic goods
Hamis
what are the importance of labour market?
Rachael
how discrib the rural development and their four stages
Sheikh Reply
ye economics se related ha
Sheikh
1..traditional stage..no science and technology is applied hence poor productionuu.2..the take off stage..some development strategies are initiated eg transport system is improved but the traditional cultural belief still remain .3..the prematurely stage..technological methods of production are appl
President
applied leading to higher GDP..4..stage of mass consumption..
President
What is Easiest Formula For National Income?
Tenzin Reply
national income/ agrrigate net value
Sheikh
what do you mean by the supply of goods
sachin Reply
supply of good refer to the total unit of production which is ready to sell at a given price
Tenzin
what is implicit cost
fuseini Reply
Yeah
MOHAMED
any cost that has already occurred but not necessarily shown or reported as a separate expense.
President
The links don't seem to be working
Scorch Reply
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Source:  OpenStax, Collaborative statistics (with edits: teegarden). OpenStax CNX. Jul 20, 2009 Download for free at http://legacy.cnx.org/content/col10561/1.3
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