Basic Business Statistics, Student Value Edition (13th Edition)
13th Edition
ISBN: 9780321946393
Author: Mark L. Berenson, David M. Levine, Kathryn A. Szabat
Publisher: PEARSON
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Textbook Question
Chapter 1, Problem 36PS
What is difference between an interval scaled variable and a ratio scaled variable?
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Why isn’t it important to distinguish between interval and ratio variables?
What is the type of the variable "The
average height of students who will enter
university in a given year"?
a. Quantitative - Discrete
O b. Qualitative - Ordinal
c. Qualitative - Nominal
d. Quantitative - Continuous
What can be concluded about the death rate due to CHF for males and females separately when zero cigarettes per day are smoked? How do they compare?
Cigarettes/Day
Death Rate/1000/Year due to CHF Males
Death Rate/1000/Year due to CHF Females
0
0.01
0.008
Chapter 1 Solutions
Basic Business Statistics, Student Value Edition (13th Edition)
Ch. 1 - Four different beverages are sold at a fast-food...Ch. 1 - U. S. businesses are listed by size small medium,...Ch. 1 - The time it takes to download a video from the...Ch. 1 - For each of the following variables, determine...Ch. 1 - The following information is collected from...Ch. 1 - For each of the following variables, determine...Ch. 1 - For each of the following variables, determine...Ch. 1 - Suppose the following information is collected...Ch. 1 - One of the variables most often included in...Ch. 1 - If two students score a 90 on the same...
Ch. 1 - The director of market research at a large...Ch. 1 - Visit the website of the Pew Research organization...Ch. 1 - Transportation engineers and planners want to...Ch. 1 - Visit the home page of the Statistics Portal...Ch. 1 - For a population containing N=902 individual, what...Ch. 1 - For a population of N=902, verify that by starting...Ch. 1 - Given a population of N=93, starting in row 29,...Ch. 1 - For a study that consists of personal interviews...Ch. 1 - You want to select a random sample of n=1 from a...Ch. 1 - A population has four members (called A, B, C, and...Ch. 1 - The registrar of a university with a population of...Ch. 1 - Prenumbered sales invoices are kept in a sales...Ch. 1 - Prob. 25PSCh. 1 - A Survey indicates that the vast majority of...Ch. 1 - A simple random sample of n=300 full–time...Ch. 1 - The results of a 2013 Adobe system study on retail...Ch. 1 - Prob. 29PSCh. 1 - Prob. 30PSCh. 1 - What is the difference between a sample and a...Ch. 1 - What is the difference between a statistic and...Ch. 1 - What is the difference between a categorical...Ch. 1 - What is the difference between a discrete...Ch. 1 - What is the difference between a nominal scaled...Ch. 1 - What is difference between an interval scaled...Ch. 1 - What is the difference between probability...Ch. 1 - Visit the official website for either Excel...Ch. 1 - Prob. 39PSCh. 1 - The Gallup organization releases the results of...Ch. 1 - Prob. 41PSCh. 1 - Prob. 43PSCh. 1 - Three professors examined awareness of four widely...Ch. 1 - A manufacturer of cat food is planning to survey...
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- Explain the difference between quantitative variable and a qualitative variable in your own words. Use an example to describe both concepts.arrow_forwardFor each of the variables described below, indicate whether it is a quantitative or a categorical (qualitative) variable. Also, indicate the level of measurement for the variable: nominal, ordinal, interval, or ratio. Make sure your responses are the most specific possible. Variable Type of variable Level of measurement (a)Duration (in minutes) of a call to a customer support line Quantitative Categorical Nominal Ordinal Interval Ratio (b)Exchange on which a stock is traded (NYSE, AMEX, or other) Quantitative Categorical Nominal Ordinal Interval Ratio (c)Temperature (in degrees Celsius) Quantitative Categorical Nominal Ordinal Interval Ratioarrow_forwardThe median is measure of variation true or falsearrow_forward
- How does the standard error of the estimate measure? What is the formula for the standard error of the estimate?arrow_forwardWhy is it ideal that you report underlying frequencies when you are reporting percentages?arrow_forwardHow is a ratio scale distinguished from the other scales of measurement? It can’t be added It has an absolute zero score You can name its variables It’s all about ranksarrow_forward
- What is the difference in quantitative discrete data and quantitative continuous data?arrow_forwardFor each of the variables described below, indicate whether it is a quantitative or a categorical (qualitative) variable. Also, indicate the level of measurement for the variable: nominal, ordinal, interval, or ratio. Make sure your responses are the most specific possible. Variable Type of variable Level of measurement (a)Annual salary of a member of the shipping department Quantitative Categorical ? Nominal Ordinal Interval Ratio ? (b)Temperature (in degrees Celsius) ? Quantitative Categorical ? Nominal Ordinal Interval Ratio ? (c)Medal won in a recent race (gold, silver, bronze, or none) ? Quantitative Categorical ? Nominal Ordinal Interval Ratio ?arrow_forwardTwo-dimension coding of quantitative data in charts is not the best practice? True or false?arrow_forward
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