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©THESTAR 2024/2025 ALL RIGHTS RESERVED 12:54PM. 1 Analytics Final Exam Questions And Answers 2025 Update. A manager at G'Dawg Records (motto: double declining balances are the fo'zhizzle) wants to know his company's revenue and profit in its previous quarter. Which of the following business ...

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©THESTAR 2024/2025 ALL RIGHTS RESERVED 12:54PM.




Analytics Final Exam Questions And
Answers 2025 Update.


A manager at G'Dawg Records (motto: double declining balances are the fo'zhizzle) wants to
know his company's revenue and profit in its previous quarter. Which of the following business
analytics will help the manager? - Answer✔Descriptive analytics

Predictive analytics - Answer✔Detects patterns in historical data and extrapolates them
forward in time

A database is: - Answer✔A structured collection of related files and data

Which of the following is an example of a measure of continuous metrics? - Answer✔Weight
and volume of a sheet of steel

Which of the following is a disadvantage of ordinal data? - Answer✔They have no fixed units of
measurement
Identify and briefly describe each of the four things that differentiate big data from not so big
data. What are the benefits and drawbacks of each of the four things as they relate to an audit?
- Answer✔Big Data


Volume - Terabytes, petabytes and zettabytes 10^21*
Variety - Unstructured (text, voice, video)
Velocity - Data in motion (streaming)
Veracity - Untrusted and uncleansed


Not so big data


Volume - Megabytes and gygabites

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,©THESTAR 2024/2025 ALL RIGHTS RESERVED 12:54PM.


Variety - Structured and rational
Velocity - Data at rest
Veracity - Trusted and cleansed


Benefits and Drawbacks


Volume - More to sample, but less time to test everything.
Veracity - Bigger sample to rely on, but there could be more fake data
Variety - You have different kinds of data to test but have to organize more.
Velocity - Always have more data to test, but hard to pick which data is always coming for you.
Which of the following charts provides the MOST useful means for displaying data over time? -
Answer✔Line chart
Skin E-G local college professor/rapper (motto: all cool cats use accrual accounting) wants to
know to understand the relative proportion of each type of fan (e.g. hipsters) to the total. What
chart should Skin E-G use? - Answer✔Pie chart
Observations consisting of PAIRS of variable data are required to construct what kind of chart? -
Answer✔Scatter
Skin E-G has data consisting of price, price/earning ratio and market capitalization for seven
different stocks on a particular day. He wishes to plot all three variables in two dimensions.
Which chart should Skin E-G use? - Answer✔Bubble chart

Which of the following charts show three-dimensional data? - Answer✔Surface chart

How to calculate the interquartile range - Answer✔The difference between the first and third
quartiles, Q3 - Q1.
A ____ is a description of the approach that is used to obtain samples from a population prior
to any data collection activity. - Answer✔Sampling plan
Which of the following types of samples using random procedures to select a sample? -
Answer✔Probabilistic sampling
Which of the following sampling methods bases its selection of samples on the ease of data
collection? - Answer✔Convenience sampling
______ sampling applies to populations that are divided into natural subsets and allocates the
appropriate proportion of samples to each subset. - Answer✔Stratified



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, ©THESTAR 2024/2025 ALL RIGHTS RESERVED 12:54PM.


A _______ is a single number derived from sample data that is used to estimate the value of a
population parameter. - Answer✔Point estimate
A sampling plan consists of five different pieces. To determine if any member of the sales force
is giving illegal kickbacks to customers, develop a sampling plan that includes all five of the
pieces. You should generally just need a single statement per piece. - Answer✔Objective - Find
any illegal kickbacks to customers
Target Population - Customers
Population frame (the list from which the sample is taken) - Members of the sales force
Operational procedures for collecting data - using excel
Statistical tools for data analysis - Pivot table showing payments to customers

Which of the following propositions describes an existing theory or belief? - Answer✔Null
hypothesis

Which of the following is the initial step in conducting a hypothesis test? - Answer✔Identifying
the population parameter of interest
Skin E-G wishes to determine if average profit from the sale of his crossover album exceeds
$100. Which of the following is appropriate hypothesis test? - Answer✔H0: Population mean
profit from sale <= 100 vs. H1: population mean profit from sale > $100


? Quiz 6 Q 3

Which of the following is a type 1 error? - Answer✔The null hypothesis is actually true and the
hypothesis test fails to reject it

Level of significance is the probability of - Answer✔Incorrectly rejecting an actually true null
hypothesis
There are three types of tailed tests. Please briefly describe each of the three types and given
an audit-centric example of when you would use each one. - Answer✔Left side one-tailed test -
when you want to find out the negative balances of accounts.


Right side one tailed tests - when you want to find out the biggest payments are from sales.


Two-tailed test - when you just want to focus on the center of sales not the extremes.

A regression model that involves a single independent variable is called? - Answer✔Simple
regression


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