Descriptive Statistics
Simple mathematical average of two numbers.
What is mean?
It is used to by an analyst where he tests an assumption regarding a population parameter.
What is the use of Hypothesis Testing?
The entire group that you want to draw conclusions about.
What is population?
This selects a single element of data and its result is always a vector.
What doe "$" do in R?
A data visualization library in R.
What is ggplot2?
The middle number, in a sorted, list of numbers.
What is median?
The measure of the likelihood that an event will occur in a Random Experiment.
What is Probability?
The difference between a population parameter and a sample statistic.
What is sampling error?
This operator is used for returning multiple elements of data.
What does "[" do in R?
This graph presents categorical data with rectangular bars.
Numerical value that describes the variability of observations from its arithmetic mean.
Variance
Tells us if the standard deviation from two sets of data are statistically different.
F-Test
The specific group that you will collect data from.
Sample
The method is used for creating data samples from a larger data set.
How is "sample()" used in R?
These kind of plots are used to observe relationships between variables.
What are scatter plots used for?
It is often called the bell curve, because the graph of its probability density looks like a curve.
Normal distribution curve
The level of marginal significance within the hypothesis testing that represents the probability of occurrence of the given event.
P-Value
A measure that describes the whole population.
What is Population Parameter?
This function creates a frequency table that is used for calculating the number of unique values of a particular variable.
A type of chart used to show information that changes over time.
What does a line graph represent?
Prior and posterior probability is a part of
Bayesian inference
ANOVA
A measure that describes the sample.
What is Sample Statistic?
This method is used for selecting columns in R.
A way to show the spread and centers of a data set. It displays the five-number summary of a set of data.
What are Box (or) Whisker plots?