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Stats Final Project
Stats Final Project
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Answers
1
Which of the following is NOT a population parameter of a binomial distribution?
Standard Deviation
Variance
Mean
Mode
2
What is an example of sample space when rolling a 6-sided die?
{2}
{1,3,5}
{1,2,3,4,5,6}
{2,4,6}
3
You use t-test to find…?
Construct an interval estimate for y
The sum of the unexplained and explained variation
If the correlation between two variables is significant
Degrees of freedom
4
Classical probability can also be called Theoretical probability?
True
False
5
What is a sample we talked about in Chapter 1?
All of the above
Stratified Sample
Random Sample
Cluster Sample
6
The difference between the point estimate and actual parameter value is called…?
Point Estimate
Margin of Error
Interval Estimate
Sampling Error
7
Which example is NOT determined by probability?
Rolling a die
Christmas is the 25th of December
Weather forecast
Gambling
8
An event that consists of a single outcome is called…?
probability
outcome
sample space
simple event
9
A relationship between two variables is called…?
Response Variables
Explanatory Variables
Independent Variables
Correlation
10
P-value stands for Proportion value
False
True
11
A continuous probability distribution for a random variable is called…?
Normal Curve
Normal Distribution or Bell Curve
Sampling Distribution
Probability Density Function
12
An action or trial through which specific results are obtained is…?
probability experiment
sample space
outcome
solution
13
Which is an example of a dependent event?
Thunder and lightning
Winning a game and running out of bread
Getting an Uber ride and getting a free meal at a restaurant
Finding a dollar and finishing your essay
14
Which is NOT a key element of a well designed experiment?
Randomization
Replication
Control
Simulation
15
Which is NOT a tailed test for a P-value?
Two-Tailed
Right-Tailed
Middle-Tailed
Left-Tailed
16
_____ consists of info coming from observations, counts, measurements, or responses
Statistics
Data
Sample
Parameter
17
A frequency histogram is a bar graph representing the frequency distribution of a data set
False
True
18
Which is an example of an independent event?
Growing the perfect tomato and owning a cat
Taking a drivers test and passing that drivers test
Driving a car and stopping at a stop sign
Studying for a test and getting a good grade on that test
19
The probability of an event occurring, given that another event has already occurred is…?
Probability Experiment
Classical Probability
Conditional Probability
Empirical Probability
20
A hypothesis that includes a statement of equality is called…?
Null Hypothesis
Left Hypothesis
Statistical Hypothesis
Alternative Hypothesis
21
Which is NOT a property of a frequency histogram?
Consecutive bars must touch
The horizontal scale is quantitative and measures data values
The consecutive bars must not touch
The vertical scale measures frequencies of the classes
