stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
GDA22 - Track 2 - Week 3 (Hannes) Flashcards | StudBud
Explore
/
GDA22 - Track 2 - Week 3 (Hannes)
GDA22 - Track 2 - Week 3 (Hannes)
17 terms
·
StudBud Administration
·
10 plays
Imported from external platform
Flashcards
17 cards
F
Practice quiz
P
Host live
L
Questions
17
Answers
1
What distribution would you use?
Poisson
Binomial
Triangular
Normal
2
Which is an appropriate alternate hypothesis for a Paired T-Test?
Ha: μ > 0
Ha: μ < 0
Ha: μdiff = μdiff
Ha: μdiff ≠ 0
3
In a normal distribution curve, about ___ percent of the data is between the inflection points (= 1 sigma from the mean)
14%
100%
68%
2%
4
A _____ shows distribution at glance
Scatter plot
Histogram
Stem and leaf plot
Bar graph
5
What distribution would you use?
Normal
Triangular
Rectangular
Poisson
6
What is a type I error in statistics?
If the null hypothesis is true and we reject it
If the null hypothesis is true and we don't reject it
If the null hypothesis is false and we reject it
If the null hypothesis is false and we don't reject it
7
Describe the shape of the distribution.
Poisson
Normal
Positively Skewed
Uniform
8
Bayes' theorem is used to determine the probabilty of an event, given an already known _____.
sample size
cause
I have no idea
outcome
9
Frequentist interpretation means
room for mistakes
prediction of results
proportion of outcomes
degree of belief
10
What is high kurtosis?
A statistical measure that indicates quite steep peaks
a swelling of the Kurtomen
When you really like someone named Kurt
A sickness that requires hospital attention
11
In Bayes' theorem, which of the following represents the base rate (= prior probability)?
P(B)
P(A | B)
P(B | A)
P(A)
12
Which can be used to describe the distribution shown?
skewed to the left
gaps at 9 and 10
clustered at 6 to 8
skewed to the right
13
What type of distribution is shown?
Uniform Probability Distribution
Discrete Probability Distribution
Exponential Probability Distribution
Normal Probability Distribution
14
Describe the shape of the distribution.
Negatively skewed
Positively skewed
Clustered
Normal
15
The chi squared test is used to...
Establish a difference between two related continuous data sets
Determine the variability within one data set
Establish a correlation between two variables
Establish a difference in frequency of categories
16
What type of distribution is shown?
Exponential Probability Distribution
Discrete Probability Distribution
Normal Probability Distribution
Uniform Probability Distribution
17
Bayesian interpretation means
room for mistakes
proportion of outcomes
degree of belief
prediction of results
