MATH 110 Module ALL MODULES (1, 2, 3, 4, 5, 6, 7, 8, 9, 10) Exam (Latest-2025) / MATH110 Introduction to Statistics: Portage Learning

Mod 1 Exam 1 g g g




1. Define each of the following:
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a) Observation
b) Element
c) Variable
Observation- all the information collected for each element in a study
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Element- in a data set, the individual and unique entry about which data has been collected, analyzed and
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presented in the same manner
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Variable- a particular, measurable attribute that the researcher believes is needed to describe the element in
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their study.
g g




2. Explain outliers g




An outlier is a value which is out of place compared to the other values. It may be too large or too small
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compared to the other values
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3. Look at the following data and see if you can identify any outliers:
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g 53 786 789 821 794 805 63 777 814 2333 783 811 795 788
g g g g g g g g g g g g g




g 780
Outliers: 53 63 2333 g g g




4.




a) How many were burgers? g g g



b) How many were fish? g g g




a) Burgers, 2900(0.12)=348 g



b) Fish, 2900(0.28)=812 g

,Mod 2 Exam g g




1. During an hour at a fast food restaurant, the following types of sandwiches are ordered:
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Turkey Turkey Cheeseburger Hamburger Fish Chicken
g


Hamburger Cheeseburger Fish Hamburger Turkey Fish Chicken
Chicken Fish Turkey Fish Hamburger Fish
g


Cheeseburger Fish Cheeseburger Hamburger Fish Fish
Cheeseburger Hamburger
g Fish Turkey Turkey Chicken Fish g


Chicken Cheeseburger
g Fish Turkey Fish Fish Hamburger
Fish Fish Turkey Chicken Hamburger Fish
g Cheeseburger
Chicken Chicken Turkey Fish Hamburger Chicken Fish
g




a) Make a frequency distribution for this data.
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b) Make a relative frequency distribution for this data. Include relative percentages on this table.
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a.




b.

, 2. Consider the following data: g g g


430 389 414 401 466 421 399 387 450 407 392 410
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440 417 471
g g




Find the 40th percentile of this data.
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3. Consider the following data: g g g


{29, 20, 24, 18, 32, 21}
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a) Find the sample mean of this data.
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b) Find the range of this data.
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c) Find the sample standard deviation of this data.
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d) Find the coefficient of variation.
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g a.