Exam Page 1
Define each of the following:
a) Element.
An element is described as "the individual and unique entry in a data set about which data has
been collected, analyzed and presented in a same manner to differentiate" (Module 1).
b) Variable.
A variable is defined as a "particular measurable attribute that the researcher believes is needed
to describe the element in their study" (Module 1).
c) Data.
Data (or the plural of datumn) is defined as things (such as numerical information, people,
geographical areas,etc.) about which information can be collected and then analyzed.
Answer Key
Define each of the following:
a) Element.
a) The element of a data set is simply the individual and unique entry in a data set about which
data has been collected, analyzed and presented in the same manner.
b) Variable.
b) A variable is a particular, measurable attribute that the researcher believes is needed to
describe the element in their study.
c) Data.
c) Data are things about which information can be collected and analyzed.
,Exam Page 2
Explain the difference between population and sample.
"The entire number of items in a large group" would be defined as the population. (Module 1)
The sample is then taken from the population by a researcher and is studied.The sample taken
from the population is, in fact, the subset of the population. You need the population to get the
sample and without the population, there can be no sample.
Instructor Comments
Very good definitions.
Answer Key
Explain the difference between population and sample.
Population is the entire number of items in a large group.
A sample is representative group from the population.
Exam Page 3
Look at the following data and see if you can identify any outliers:
65 71 55 69 3 77 67 70 246 61 277
3, 246, 277
Instructor Comments
Very good.
Answer Key
Look at the following data and see if you can identify any outliers:
65 71 55 69 3 77 67 70 246 61 277
,The boutliers bare:
b3 b246 b277
Exam Page 4 b b
The bfollowing bpie bchart bshows bthe bpercentages bof btotal bitems bsold bin ba bmonth bin ba bcertain bfast
bfood brestaurant.
A btotal bof b4900 bfast bfood bitems bwere bsold bduring bthe bmonth.
bHow bmany bwere bburgers?
How bmany bwere bfrench bfries?
4900(.32)=1568
32% bor b1,568 bburgers bwere bsold bduring bthe bmonth.
4900(.18)=882
18% bor b882 bfrench bfries bwere bsold bduring bthe bmonth.
Instructor Comments
b
Very bgood.
Answer Key b
The bfollowing bpie bchart bshows bthe bpercentages bof btotal bitems bsold bin ba bmonth bin ba bcertain bfast
bfood brestaurant.
, A btotal bof b4900 bfast bfood bitems bwere bsold bduring bthe bmonth.
bHow bmany bwere bburgers?
How bmany bwere bfrench bfries?
Burgers b: b4900(.32) b= b1568
French bFries b: b4900(.18) b= b882
Exam 2 b
Exam Page 1 b b
During ban bhour bat ba bfast bfood brestaurant, bthe bfollowing btypes bof bsandwiches bare bordered:
Turkey Hamburger Cheeseburger Fish Hamburger Turkey Fish
bChicken Fish Chicken Turkey Fish Hamburger Fish
Cheeseburger Fish Cheeseburger Hamburger Fish Fish
bCheeseburger Hamburger Fish Turkey Turkey Chicken Fish
bChicken Cheeseburger Fish Turkey Fish Fish Hamburger
bFish Fish Turkey Chicken Hamburger Fish Cheeseburger
bChicken Chicken Turkey Fish Chicken
Hamburger Chicken Fish Chicken
a) Make ba bfrequency bdistribution bfor bthis bdata.
Types bof Frequency
bSandwiches
bTurkey 8
Define each of the following:
a) Element.
An element is described as "the individual and unique entry in a data set about which data has
been collected, analyzed and presented in a same manner to differentiate" (Module 1).
b) Variable.
A variable is defined as a "particular measurable attribute that the researcher believes is needed
to describe the element in their study" (Module 1).
c) Data.
Data (or the plural of datumn) is defined as things (such as numerical information, people,
geographical areas,etc.) about which information can be collected and then analyzed.
Answer Key
Define each of the following:
a) Element.
a) The element of a data set is simply the individual and unique entry in a data set about which
data has been collected, analyzed and presented in the same manner.
b) Variable.
b) A variable is a particular, measurable attribute that the researcher believes is needed to
describe the element in their study.
c) Data.
c) Data are things about which information can be collected and analyzed.
,Exam Page 2
Explain the difference between population and sample.
"The entire number of items in a large group" would be defined as the population. (Module 1)
The sample is then taken from the population by a researcher and is studied.The sample taken
from the population is, in fact, the subset of the population. You need the population to get the
sample and without the population, there can be no sample.
Instructor Comments
Very good definitions.
Answer Key
Explain the difference between population and sample.
Population is the entire number of items in a large group.
A sample is representative group from the population.
Exam Page 3
Look at the following data and see if you can identify any outliers:
65 71 55 69 3 77 67 70 246 61 277
3, 246, 277
Instructor Comments
Very good.
Answer Key
Look at the following data and see if you can identify any outliers:
65 71 55 69 3 77 67 70 246 61 277
,The boutliers bare:
b3 b246 b277
Exam Page 4 b b
The bfollowing bpie bchart bshows bthe bpercentages bof btotal bitems bsold bin ba bmonth bin ba bcertain bfast
bfood brestaurant.
A btotal bof b4900 bfast bfood bitems bwere bsold bduring bthe bmonth.
bHow bmany bwere bburgers?
How bmany bwere bfrench bfries?
4900(.32)=1568
32% bor b1,568 bburgers bwere bsold bduring bthe bmonth.
4900(.18)=882
18% bor b882 bfrench bfries bwere bsold bduring bthe bmonth.
Instructor Comments
b
Very bgood.
Answer Key b
The bfollowing bpie bchart bshows bthe bpercentages bof btotal bitems bsold bin ba bmonth bin ba bcertain bfast
bfood brestaurant.
, A btotal bof b4900 bfast bfood bitems bwere bsold bduring bthe bmonth.
bHow bmany bwere bburgers?
How bmany bwere bfrench bfries?
Burgers b: b4900(.32) b= b1568
French bFries b: b4900(.18) b= b882
Exam 2 b
Exam Page 1 b b
During ban bhour bat ba bfast bfood brestaurant, bthe bfollowing btypes bof bsandwiches bare bordered:
Turkey Hamburger Cheeseburger Fish Hamburger Turkey Fish
bChicken Fish Chicken Turkey Fish Hamburger Fish
Cheeseburger Fish Cheeseburger Hamburger Fish Fish
bCheeseburger Hamburger Fish Turkey Turkey Chicken Fish
bChicken Cheeseburger Fish Turkey Fish Fish Hamburger
bFish Fish Turkey Chicken Hamburger Fish Cheeseburger
bChicken Chicken Turkey Fish Chicken
Hamburger Chicken Fish Chicken
a) Make ba bfrequency bdistribution bfor bthis bdata.
Types bof Frequency
bSandwiches
bTurkey 8
