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Undergraduate Statistics Club Kickoff Quiz! Flashcards | StudBud
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Undergraduate Statistics Club Kickoff Quiz!
Undergraduate Statistics Club Kickoff Quiz!
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Questions
16
Answers
1
What is a common approach to handling missing data?
Deleting Observations
Data Imputation
All of the above
Utilizing algorithms that support missing values
2
General Statistics
1: How long does it take for the world to add 1 billion more people?
Every 16-18 years
Every 21-23 years
Every 8-10 years
Every 12-15 years
3
Brain teaser! You flip a fair coin 9 times and got all heads. What's the probability of the 10th flip being heads too?
25%
50%
100%
It depends on previous outcomes
4
Which of the following is (are) discrete?
Exponential distribution
T distribution
Normal distribution
Bernoulli distribution
5
General Statistics 4: With 500+ declared students, what is the fastest-growing certificate at UW-Madison?
Data Science
Business
Consulting
Economic Analytics
6
Which measure of central tendency is most affected by outliers?
Median
Mode
Range
Mean
7
Which example best illustrates correlation?
Ice cream sales and sunburns both increase during Summer
Ice cream sales cause sunburns
Wearing sunglasses makes you buy more ice cream
Using sunscreen directly increases ice cream consumption
8
Terminology: What is the difference between a parameter and a statistic?
They’re just two words for the same thing
A parameter describes a sample; a statistic describes a population
A parameter is always bigger than a statistic
A parameter describes a population; a statistic describes a sample
9
General Statistics 2: According to the US Census Bureau, Wisconsin ranks as the ___ largest state by area.
50th
1st
20th
25th
10
Last Question! When was the Undergraduate Statistics Club founded?
Fall 2010
Spring 2009
Spring 2010
Spring 2011
11
T/F: Mean is part of the five number summary.
False
True
12
General Statistics 3: What is the longest duration ever recorded of Lake Mendota being frozen?
101 days
221 days
161 days
171 days
13
Which graph is most useful for detecting trends over time?
Scatter plot
Line graph
Bar chart
Histogram
14
Which of the following is an example of a type-II error?
Thinking that drug X lowers blood pressure when it actually has no effect
Thinking that drug X has no effect on blood pressure but it actually has
Thinking that drug X lowers blood pressure and it actually does
Rejecting the null hypothesis when it is actually true
15
What does a p-value tell you in a statistical test?
The probability you missed something (Type II error)
The probability you made a mistake (Type I error)
The probability that the null hypothesis is true
The probability of observing your data if the null hypothesis is true
16
Which of the following is a type-I error?
You think it is not a snake but it is
You think it is a snake and it is
You think it is a snake but it's not
You think it is not a snake and it is not
