# Identify the factors that might have some influence on a chosen topic/variable

The goal of this culminating statistics project is to identify the factors that might have some influence on a
chosen topic/variable. You will be collecting and analysing data for three different variables using a secondary
source. There will be one dependent variable and two independent variables for which data will be needed.
For example, what are the factors that affect climate change? If climate change was your dependent variable,
what could you pick for your independent variable? You will choose 2 factors that will create models that you
can compare, to see if you can find a high correlation. Your final report and summary presentation will include
the following sections.
Section 1
Dependent variable: Choose the main variable that you want to measure versus other variables. This will go on
the vertical axis of your scatter plot. Provide rationale for why you chose this variable and brainstorm different
variables that may impact it. Research the variable on the internet and collect data for at least 10 years (the more
the better) or over at least 10 different places (definition: Provinces and territories across Canada, countries in
the world, or teams in a sport are some examples.) in the same year.
Note: Statistics Canada is our most reliable source for data and one of the best sources to get a wide variety of
data. Be sure to cite your source in proper MLA or APA format.
Section 2
Independent variables: Choose the independent variables that you want to measure against the dependent
variable. You will find 2 different variables for which you can create a line of best fit with to test
correlation. This will be your biggest challenge of the assignment. You need to find variables such that they
overlap with the data that you chose for your dependent variable.
For example: If you found the years 1990 to 2010 for your dependent variable, you will need to find those same
years for each of your independent variables. If you had data across the provinces and territories for your
independent variable for 2016, you will need data across the provinces and territories for 2016 for each of your
independent variables.
Note: Be sure to cite your source in proper MLA or APA format.
Section 3
One variable measures with graphs and distributions: Describe each of the 3 of your variables
(two independent and one dependent) by calculating and making reference to the measures of central tendency
(definition: mean, median and modal interval), spread (definition: IQR with Q1 and Q3, range and standard
deviation), and creating a histogram and box plots. Describe the distribution (definition: left or right skewed,
normal, uniform, bimodal, etc.) of your data as well. For each of the variables, describe the meaning of each of
the measures as you state what they are.
Section 4
Two variable measures with linear models and correlations: Create 2 scatterplots, one for each of your
independent variables. Create the linear model to describe the relationship. Describe the strength of the
correlation and the meaning of the slopes and y-intercepts.
Section 5
Identify and remove relevant points: Identify one point on each scatter plot that has the greatest impact on the
model by using residual plots. Describe the percentile that the point would be if the data was normally
distributed, by using the mean, standard deviation and z-Score. Describe the impact of the point by comparing
the new linear model to the original.
Section 6
Classification of correlation type: For each of the models, classify the correlation type as cause and effect,
reverse cause and effect, accidental or common cause. Explain your choice and brainstorm possible common
cause factors where applicable.
Section 7
Conclusions from linear models: Make conclusions from the two variable analysis taking into consideration
the removal of points that are far from the line of best fit. Discuss the overall impact, if any, that the
independent variables have on the dependent variable by referring to other sections of the report.
Section 8
Areas for improvement and recommendations for further exploration: Identify the areas of improvement in
your study. If you had more time and resources, what are you still curious about that you may want to pursue
further. Identify the possible biases in your investigation and overall how confident you are with your
conclusions.
Note: It is perfectly fine to say that the conclusions come with many red flags and should merely be used to
begin a discussion on further studies.
Considerations
Take a moment to consider what a successful report must look like. Choose two of the sections, and comment
on how you will know if you have been successful in this section. Refer back to this discussion when selfassessing your report before submitting.
Consider the following questions:
• What counts/matters/is important when writing this section of the report?
• How will you know if it has been communicated with a high degree of understanding?
Search the internet and Statistics Canada for some potential variables that you will use in your
investigation. You will first want to find a good dependent variable that you can get a lot of data for. It should
be something you are interested in so that you get the most out of this assignment.
After you find your dependent variable with as many data points as possible, search for the potential factors that
may have a relationship with it. Consider a few steps ahead: What type (definition: cause and effect, reverse
cause and effect, common cause, accidental) of correlation would it be, if a strong correlation is
determined? Would the correlation be accidental? If so, this may not be a good choice as an independent
variable. If there is no correlation, is that an interesting conclusion? If so, then it is likely a good choice for an
independent variable.
If you are having trouble finding 2 variables, you can think about considering a large general variable like the
ones on the statistics for 42 Countries.
You can use the video to help find variables on Statistics Canada.
Presentation
Create a presentation using Google Slides or PowerPoint or some other presentation software. Summarize your
main points from each section to communicate the findings of your study to your peers.
Share your video presentation with me by e-mailing it to me

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