MATH201_Project_ REV
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Mathematics
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Feb 20, 2024
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Uploaded by opollard802
MATH 201 Course Project deliverable 2. Data and research question ● Name:
Question 1. Create one research question and select a data set to test your research question. Your research question should be one of the two types outlined in “Data and Research Questions.” Note that the data set should align with the research question and contains at least 20 observations. State the research question and data source. Research question:
What are the oceanographic suspended sediment concentration changes in Bellingham Bay, Washington, USA, from 2019 to 2021?
Data source:
Nowacki, C.J., Vanarendonk, N.R., Stevens, A., Grossman, E., and Tan, A.CML., 2023, Oceanographic and water-quality measurements collected in Bellingham Bay, Washington, USA, 2019 to 2021: U.S. Geological Survey data release, https://doi.org/10.5066/P96EH1MS. Question 2. Identify the variable(s) to test your research question. The main variables of the research are; Primary variable- oceanographic suspended sediment
Secondary variable- years from 2019 to 2021
Question 3.
Using Excel, calculate the descriptive statistics (mean, standard deviation, and five number summary) of your data set. If your research question is to compare the mean of two groups, calculate the descriptive statistics for each group’s data set. (25%)
Sample size (n)
Mean
Standard deviation
Minimum
Q1
Median
Q3
Maximum
164
14.00872
20.48097
1.58
4.8775
7.35
12.73
132.82
Question 4.
Using Excel, create a histogram(s) with your data. If your research question is to compare the
means of two groups, create two histograms (one for each group).
Attached is the excel file. Calculations of descriptive statistics and histogram are at the bottom
From the calculations, the median age of 20 random Harvard University Undergraduate students is 28 while the mean is 28.15. This implies that the media is lower as compared to the mean. Conventions of Writing:
Read and check grammatical errors before submission.
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