Descriptive Statistics
Data & Data Science
Antarctica
Inferential Statistics
R Programming
100
This measure of central tendency is the most frequently occurring value in a data set.
What is mode?
100
Everyone in class should consider minoring in this subject, particularly given the skills you've learned/sharpened this semester.
What is Data Science?
100
The continent of Antarctica is found in this hemispehere.
What is southern?
100
This statistical test is often used to compare averages between two groups.
What is t-test?
100
This package of packages in R is heavily used in data science.
What is the tidyverse?
200
If a data set is arranged from lowest to highest value, this measure of central tendency identifies the midpoint.
What is median?
200
This skill is the ability to read, write and communicate data in context.
What is data literacy?
200
When building our road, we took special care to minimize damage to this plant, one of two flowering plants native to Antarctica.
What is hair grass?
200
This type of hypothesis assumes no difference among groups.
What is null hypothesis?
200
Given this code:
values<-c(1,2,3,4,5)
what type of data is values?
What is a vector?
300
This type of plot shows the frequency distribution of a data set.
What is histogram?
300
Categorical variables can be of these two types: one has ordered categories, and the other does not.
What are ordinal and nominal?
300
We relied on this type of "farm fishing", which was not without its issues.
What is aquaculture?
300
This statistical test is ofter used to compare averages among 3 or more groups.
What is ANOVA, or Analysis of Variance?
300
When creating a bar plot using ggplot, this argument in the aes function will magically add color and a legend to a plot.
What is fill?
400
This descriptive statistic is a measure of how spread out a data set is, relative to its mean.
What is standard deviation?
400
Numeric variables can be of these two types: one can take on a limited range of values, while the other has no constraints.
What are discrete and continuous?
400
This species is found on Antarctica::max_bytes(150000):strip_icc()/GettyImages-638966508-5a14497a494ec90037d6cf12.jpg)
What is elephant seal?
400
In the formula y=mx+b, the value for m refers to this.
What is slope?
400
This pair of functions, often used in tandem, is often used to create descriptive statistics for a data set.
What are group_by and summarize?
500
True or False: descriptive statistics alone let us make definitive conclusions about differences in populations.
What is false?
500
Data does not exist by itself; rather, it is created by these.
What are humans?
500
This is the largest research station on Antarctica, capable of supporting up to 1,500 residents.
What is McMurdo?
500
A researcher often sets this value prior to data analysis, as the cut-off for whether the calculated p-value implies statistical significance.
What is alpha value?
500
When analyzing the results of an ANOVA, this function allows you to view the paired differences among groups, with p-values.
What is TukeyHSD?