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Sophia Learning - Introduction to Statistics UPDATED ACTUAL Questions and CORRECT Answers A bakery owner asked 150 customers to taste a new type of cookie and found that 60 people liked its taste. Which of these is an example of descriptive statistics? A.) 40% of all the bakery's customers ...

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  • October 31, 2024
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Sophia Learning - Introduction to Statistics
UPDATED ACTUAL Questions and
CORRECT Answers
A bakery owner asked 150 customers to taste a new type of cookie and found that 60 people
liked its taste.


Which of these is an example of descriptive statistics?
A.) 40% of all the bakery's customers like the taste of the cookie.
B.) 40% of all people like the taste of the cookie.
C.) 40% of the surveyed customers like the taste of the cookie.
D.) 40% of the people in the city where the bakery is located like the taste of the cookie. -
CORRECT ANSWER✔✔- C.) 40% of the surveyed customers like the taste of the cookie.


This statement is an example of descriptive statistics because it summarizes the data collected
from the specific group of 150 surveyed customers. Descriptive statistics describe the data
without making generalizations beyond the surveyed group.


A survey on internet usage was conducted among a portion of the ~500 students in the school
cafeteria. Of the 200 students surveyed, it was found that 100 students spend at least 2 hours
online every day.


Which of these is an example of descriptive statistics?
A.) 50% of the students surveyed spend at least 2 hours online each day.
B.) 50% of the students in the cafeteria spend at least 2 hours online each day.
C.) 50% of the students in the school spend at least 2 hours online each day.
D.) 50% of the students in the freshman class spend at least 2 hours online each day. -
CORRECT ANSWER✔✔- A.) 50% of the students surveyed spend at least 2 hours online
each day.


This statement is an example of descriptive statistics because it describes the specific data
collected from the 200 students who were surveyed. It does not make any inferences or
generalizations beyond the surveyed group.

,A company packed eight dark chocolates in a box of 32 assorted chocolates.
Which of these does NOT represent inferential statistics?


A.) 25% of the chocolates in a box are dark chocolates.
B.) 25% of the chocolates manufactured in a batch are dark chocolates.
C.) 25% of the chocolates packed in a day are dark chocolates.
D.) 25% of the chocolates manufactured in a factory are dark chocolates. - CORRECT
ANSWER✔✔- A.) 25% of the chocolates in a box are dark chocolates.


This statement represents descriptive statistics because it simply describes the percentage of
dark chocolates in a specific box without making inferences about a larger population or
batch. The other options involve making inferences beyond the specific box, which would be
examples of inferential statistics.


If you are using new information in a survey that was not collected during previous surveys,
you will be using __________ to gauge customer satisfaction.


A.) Biased data
B.) Raw data
C.) Peer-reviewed data

D.) Available data - CORRECT ANSWER✔✔- B.) raw data


Raw data refers to new, unprocessed information collected directly from a survey or
experiment. When you collect new information that wasn't part of previous surveys, you're
dealing with raw data.


If numbers collected from a survey are measurements, what are these measurements called
before you perform any calculations?


A.) Biased data
B.) Peer-reviewed data
C.) Raw data

,D.) Available data - CORRECT ANSWER✔✔- C.) Raw data


Before any calculations or analysis are performed, the numbers collected from a survey are
referred to as raw data. This is the unprocessed and unorganized data directly gathered from
the survey.


You find some public records about customer satisfaction in the company's archive.


What type of data is this called?
A.) Biased data
B.) Raw data
C.) Available data

D.) Peer-reviewed data - CORRECT ANSWER✔✔- C.) Available data


Available data refers to existing information or records, such as public records or archived
data, that can be accessed and used for analysis.


Select the category that would yield qualitative data.


A.) Pet's age
B.) Pet owner's monthly income
C.) Pet's eye color

D.) Pet's purchase price - CORRECT ANSWER✔✔- C.) Pet's eye color


Qualitative data refers to non-numerical information that describes qualities or
characteristics. In this case, the pet's eye color is a qualitative characteristic, while the other
options (age, income, and purchase price) would yield quantitative data.


Select the category that would yield quantitative data.


A.) Color of pet
B.) Type of pet

, C.) Age of pet

D.) Gender of pet - CORRECT ANSWER✔✔- C. Age of pet


Quantitative data refers to numerical information that can be measured, counted, or expressed
in numbers. It often includes data like amounts, frequencies, measurements, or prices, which
can be used in mathematical calculations and statistical analysis. Examples include height,
weight, age, and income.


The amount spent on pet food each month is an example of __________ data.


A.) quantitative
B.) nominal
C.) qualitative

D.) ordinal - CORRECT ANSWER✔✔- A.) Quantitative


The amount spent on pet food each month is numerical data that can be measured and
quantified, making it an example of quantitative data.


Which of these data sets represents discrete data?


A.) Heights of trees at a nursery
B.) Rainfall readings during a week
C.) The result of a single die roll

D.)Weights of potatoes in a sack - CORRECT ANSWER✔✔- C.) The result of a single die
roll


Discrete data consists of distinct, separate values that are countable, and the result of a single
die roll is a perfect example of this. The other options involve measurements that can take
any value within a range, making them examples of continuous data.


Which of these data sets represents discrete data?


A.) Temperature readings for Tuesday afternoon

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