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MATH 110 Final Exam Question Answers, MATH 110: Introduction to Statistics, Portage Learning Statistics $12.49   Add to cart

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MATH 110 Final Exam Question Answers, MATH 110: Introduction to Statistics, Portage Learning Statistics

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MATH 110 Final Exam Question Answers / Portage Learning Statistics Final Exam, MATH 110: Introduction to Statistics, Portage Learning Statistics

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  • June 17, 2023
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MATH 110 Final Exam (Q & A)
Exam 1,Exam 2,Exam 3,Exam 4,Exam
5,Exam 6,Exam 7, Exam 8

,Exam 1
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 outliers are:
3 246 277


Exam Page 4
The following pie chart shows the percentages of total items sold in a month in a certain fast
food restaurant.




A total of 4900 fast food items were sold during the
month. How many were burgers?
How many were french fries?

4900(.32)=1568
32% or 1,568 burgers were sold during the month.

4900(.18)=882
18% or 882 french fries were sold during the month.




Instructor Comments

Very good.

Answer Key

The following pie chart shows the percentages of total items sold in a month in a certain fast
food restaurant.

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