CISB 241 Midterm || Solved Correctly.
Qualitative data refers to data such as numbers (dollars, pounds, inches, or percentages). correct
answers False
Fill in the blank with the best answer. The _______________ introduced in this text are those
that help transform data into information. correct answers Statistical procedures
Which of the following does not define estimation? correct answers Correct:
Estimation is a technique that takes the entire population of data to examine the data.
Estimation is a technique that takes a smaller subset of a larger population of data to get an idea
of what the entire population looks like.
Estimation is used when we would like to know about all the data in a large dataset but it is
impractical to work with all the data.
Fill in the blank. According to the textbook, the amount of data available is growing at a rate of
______ percent per year. correct answers 50
Business statistics can be split into two fields. The first category describes the data (charts,
graphs, numerical measures). The second category includes tools and techniques that help
decision makers draw inferences from a set of data. correct answers True
Which of the following describes nominal data? correct answers Codes are assigned to categories
What is the difference between a population and a sample? correct answers A population
includes all objects or individuals of interest; a sample is a subset of the population.
,Which of the following is the correct ranking of data from the lowest level of basic analysis to
the highest? correct answers Nominal, ordinal, ratio/interval
What are the two primary categories of statistical inference procedures?
Inference means to draw some useful conclusions from the raw data that can help improve
business decisions. correct answers Estimation and hypothesis testing
Descriptive Statistics and Inferential Procedures are two categories of business statistics. correct
answers True
In this class, we will learn procedures of how to transform data into useful information. correct
answers True
Which of the following is an example of a leading question? correct answers Like most smart
people, do you support tax breaks for those buying electric vehicles?
A histogram displays the shape and spread of the distribution of data. correct answers True
Which of the following does not apply to an estimate?
The use of techniques to get an idea of what a larger data set looks like
The population of all of CMU students
The percent of CMU students that say they drink coffee daily from a survey of 10 in this class
Looks at a subset of the larger data set correct answers The population of all of CMU students
A hypothesis test tests claims about products or services using information taken from samples.
correct answers True
Which of the following does not interject bias into a survey question? correct answers The
professional dress of the guy/gal running the survey
, Which of the following does not apply to business statistics/business intelligence?
computer science
is among the fastest-growing career areas
small business management
statistics correct answers small business management
Which of the following is not a statitical sampling technique?
Simple random sampling
Systematic random sampling
Cluster sampling
Not-so-simple random sampling correct answers Not-so-simple random sampling
Graphs and charts are excellent ways to "show" your data. Reading a table of numbers is hard,
you don't get a lot out of it, but put in into a chart/graph and whoa, you are now telling a story
about values, frequencies and trends. correct answers True
In the graph below, Time is the y-axis and the x-axis is Temperature. correct answers False
In the scatter plot below, what is the relationship between the temperature outside and sales of
ice cream? correct answers Basically Linear
What does a scatter diagram, or a scatter plot, show? correct answers A graph that show two
variables simultaneously
In the histogram below, which age group has the highest frequency? correct answers 50-60 years
Why are presentations and reports of your data important? correct answers They effectively
transform data into information.
Qualitative data refers to data such as numbers (dollars, pounds, inches, or percentages). correct
answers False
Fill in the blank with the best answer. The _______________ introduced in this text are those
that help transform data into information. correct answers Statistical procedures
Which of the following does not define estimation? correct answers Correct:
Estimation is a technique that takes the entire population of data to examine the data.
Estimation is a technique that takes a smaller subset of a larger population of data to get an idea
of what the entire population looks like.
Estimation is used when we would like to know about all the data in a large dataset but it is
impractical to work with all the data.
Fill in the blank. According to the textbook, the amount of data available is growing at a rate of
______ percent per year. correct answers 50
Business statistics can be split into two fields. The first category describes the data (charts,
graphs, numerical measures). The second category includes tools and techniques that help
decision makers draw inferences from a set of data. correct answers True
Which of the following describes nominal data? correct answers Codes are assigned to categories
What is the difference between a population and a sample? correct answers A population
includes all objects or individuals of interest; a sample is a subset of the population.
,Which of the following is the correct ranking of data from the lowest level of basic analysis to
the highest? correct answers Nominal, ordinal, ratio/interval
What are the two primary categories of statistical inference procedures?
Inference means to draw some useful conclusions from the raw data that can help improve
business decisions. correct answers Estimation and hypothesis testing
Descriptive Statistics and Inferential Procedures are two categories of business statistics. correct
answers True
In this class, we will learn procedures of how to transform data into useful information. correct
answers True
Which of the following is an example of a leading question? correct answers Like most smart
people, do you support tax breaks for those buying electric vehicles?
A histogram displays the shape and spread of the distribution of data. correct answers True
Which of the following does not apply to an estimate?
The use of techniques to get an idea of what a larger data set looks like
The population of all of CMU students
The percent of CMU students that say they drink coffee daily from a survey of 10 in this class
Looks at a subset of the larger data set correct answers The population of all of CMU students
A hypothesis test tests claims about products or services using information taken from samples.
correct answers True
Which of the following does not interject bias into a survey question? correct answers The
professional dress of the guy/gal running the survey
, Which of the following does not apply to business statistics/business intelligence?
computer science
is among the fastest-growing career areas
small business management
statistics correct answers small business management
Which of the following is not a statitical sampling technique?
Simple random sampling
Systematic random sampling
Cluster sampling
Not-so-simple random sampling correct answers Not-so-simple random sampling
Graphs and charts are excellent ways to "show" your data. Reading a table of numbers is hard,
you don't get a lot out of it, but put in into a chart/graph and whoa, you are now telling a story
about values, frequencies and trends. correct answers True
In the graph below, Time is the y-axis and the x-axis is Temperature. correct answers False
In the scatter plot below, what is the relationship between the temperature outside and sales of
ice cream? correct answers Basically Linear
What does a scatter diagram, or a scatter plot, show? correct answers A graph that show two
variables simultaneously
In the histogram below, which age group has the highest frequency? correct answers 50-60 years
Why are presentations and reports of your data important? correct answers They effectively
transform data into information.
