STAT 3010 Lecture Notes - Lecture 8: Data Set, Box Plot, Interquartile Range

41 views3 pages
1 Oct 2018
School
Department
Course
Professor
Column Label
Type of Variable
Explanation
Categorical Levels
of Numerical Units
C1
Switch
Categorical
Whether or not the cell
phone customer will
switch providers
Y=Yes
N=No
C2
PROVIDER
Categorical
Cell phone providers
for the cell phone
customers
A=AT&T
C=Cingular
V=Verizon
C3
INCOMECAT
Categorical
Income Category based
on the income of the
cell phone customers
Low
Medium
High
C4
MNTHREV
Quantitative
Monthly Revenue-
amount the company
receives from the cell
phone customers
Dollars
C5
INCOME
Quantitative
Monthly income of the
cell phone customer
Dollars
C6
PRCNTMNTHINC
Quantitative
Bill as percent of
monthly income of the
cell phone customers
=MNTHREV/INCOME
Percent
DESCRIPTIVE STATISTICS FOR THE NUMERICAL VARIABLES IN THE CUST_SRVY
DATA SET
Table 3.1 Descriptive Statistics for the Data set
INCOME
PRCNTMNTHINC
$50.71
Mean
$2,529.02
Mean
2.01%
$48.00
Mode
N/A
Mode
N/A
$15.84
Standard
Deviation
$802.29
Standard Deviation
0.14%
-0.15
Skewness
-0.09
Skewness
-0.14
$74.00
Range
$3,813.17
Range
0.89%
$14.00
Minimum
$743.30
Minimum
1.54%
$40.00
Q1
$1,993.93
Q1
1.90%
$54.00
Median
$2,605.18
Median
2.02%
$62.00
Q3
$3,101.19
Q3
2.12%
$88.00
Maximu
m
$4,556.47
Maximum
2.43%
$22.00
IQR
$1,107.26
IQR
0.22%
Unlock document

This preview shows page 1 of the document.
Unlock all 3 pages and 3 million more documents.

Already have an account? Log in

Get OneClass Notes+

Unlimited access to class notes and textbook notes.

YearlyBest Value
75% OFF
$8 USD/m
Monthly
$30 USD/m
You will be charged $96 USD upfront and auto renewed at the end of each cycle. You may cancel anytime under Payment Settings. For more information, see our Terms and Privacy.
Payments are encrypted using 256-bit SSL. Powered by Stripe.