Question 3 (Mandatory) Which of the following descriptions regarding hist() in R is correct? 'xlab' is used in the plot function to add both x-axis and y-axis labels. 'title' is used in the plot function to add the title. 'xlim' is used to control the range of the x-axis. hist() can only generate a frequency plot, but not a density plot.
Question 3 (Mandatory) Which of the following descriptions regarding hist() in R is correct? 'xlab' is used in the plot function to add both x-axis and y-axis labels. 'title' is used in the plot function to add the title. 'xlim' is used to control the range of the x-axis. hist() can only generate a frequency plot, but not a density plot.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:Which of the following descriptions regarding a box-and-whiskers plot is NOT
correct?
The black solid line inside the box is the median.
O The lower hinge represents the number below which 25 percent of the numbers
fall.
Data points outside the whiskers are outliers.
O The upper whisker boundary is the maximum value of the data.
Question 3 (Mandatory)
Which of the following descriptions regarding hist() in R is correct?
'xlab' is used in the plot function to add both x-axis and y-axis labels.
'title' is used in the plot function to add the title.
'dlim' is used to control the range of the x-axis.
) hist) can only generate a frequency plot, but not a density plot.
Question 4 (Mandatory) -
Which of the following descriptions regarding scatter plot matrix is NOT correct?
The names of the variables are in the cells of the main diagonal.
Each off-diagonal cell shows the scatter plot between corresponding variables.
O The scatter plot matrix can be applied to discrete (opposite of continuous)
variables.
O The scatter plot in row 2 and column 3 is identical to the one in row 3 and
column 2.
Question 5 (Mandatory)
Which of the following is the minimally required components of ggplot2 graphics?
)data, esthetic mappings, and a geometric object
data and esthetic mappings
data and a geometric object
O esthetic mappings, and a geometric object
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