Question

The data table below contains these variables: CUSTOMER: a unique customer ID SEARCHES: number of internet...

The data table below contains these variables:

CUSTOMER: a unique customer ID

SEARCHES: number of internet searches conducted by that customer over the last month

SWITCH: Did the customer switch to a different search engine sometime in the last month? 0 = no, 1 = yes

CUSTOMER SEARCHES SWITCH
8992 56 0
8993 2 1
8994 193 1
8995 47 0

Question 1.a. Is this a cross-section or time-series? Why?

Question 1.b. How many observations are in the data table? Explain your answer...

Question 1.c. How many labeling variables, if any, are in the data table? Identify...

Question 1.d. Is SEARCHES numeric, ordinal, or nominal? Why?

Question 1.e. Is SWITCH numeric, ordinal, or nominal? Why?

Question 1.f. What is the unit of measurement of SWITCH? Explain...

Question 1.g. What is the scaling convention of SEARCHES? Explain...

Math   Statistics-And-Probability   
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Homework Answers

Answer #1

a. This is a cross section series as it represents data at one point of time across different customers and their attributes.

b. There are 4 observations in the table, one corresponding to each customer.

c. There are 3 labeling variables in the data.. Customer, Search & Switch

d. SEARCHES is a numeric data as it contains the total number of searches conducted by each customer.

e. SWITCH is a nominal measure because it has two categories without any kind of natural order or numeric value attached to it.

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