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Data collection Flashcards | StudBud
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Data collection
Data collection
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Flashcards
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Answers
1
What is qualitative data?
B) Personal opinions, experiences, and feelings
C) Data about quality of products
D) Graphs and charts
A) Data that can be measured in numbers
2
What Python function is used for making charts?
A) 'len()'
C) Libraries like matplotlib or seaborn
D) 'print()'
B) 'sum()'
3
What does the 'len()' function do in Python?
B) Changes the content of a list
C) Calculates the length of a list or string
D) It's not a Python function
A) Deletes the content of a list
4
What does a bar chart represent?
A) Random data points
C) Personal opinions
B) Comparisons among categories
D) Predictions for the future
5
How do you create a list in Python?
C) Lists cannot be created in Python
B) By placing a sequence of values within square brackets
A) With the 'if' statement
D) By using a loop
6
What was one of Annie J. Easley's major contributions?
C) Creating the first smartphone
A) Inventing the internet
B) Developing the first video game
D) Developing algorithms for early computers
7
How is data visualization useful?
D) To make data more complex
B) To represent data in an easily understandable way
A) For creating art
C) It's not useful
8
Why is it important to collect data?
C) To make informed decisions based on evidence
B) To fill up time
D) It's not important
A) For entertainment purposes
9
Why is learning Python useful for data analysis?
D) Python is too complex for data analysis
C) It is not useful for data analysis
B) For its powerful libraries and tools for data manipulation and analysis
A) Python is only used for web development
10
What is a variable in Python programming?
D) A command
C) A type of error
A) A fixed number
B) A storage location for data that may change
11
How can Python be used in data collection?
C) For writing programs to collect, process, and analyze data
B) For playing games only
A) It cannot be used
D) To make websites only
12
In Python, how do you read data from a file?
D) It's not possible to read data from files
A) Using the 'write()' method
B) Using functions like 'open()'
C) By manually typing data from the file
13
How do you calculate the percentage of a category in a dataset?
C) By estimating the amount
B) Divide the category count by the total and multiply by 100
D) By subtracting the total number from the category count
A) By adding all the numbers together
14
Who is Annie J. Easley?
D) A renowned artist
B) An Olympic athlete
C) A pioneering computer scientist and mathematician at NASA
A) A famous novelist
15
What role does observation play in data collection?
C) Just for fun
D) To make assumptions
B) Observing and recording behaviors or occurrences
A) No role
16
How did Annie J. Easley's work influence modern computing?
B) By designing the first computer game
D) By inventing a new programming language
C) Through her contributions to software development and data processing
A) By creating the first social media platform
17
How do you calculate the average of numbers in a list in Python?
D) With the 'round()' function
A) By using the 'max()' function
B) By dividing the sum of the list by the number of elements
C) By dividing the sum of the list by the number of elements
18
What is quantitative data?
C) Colors and shapes
B) Numbers and measurements
A) Opinions and feelings
D) Names and titles
19
What significant role did Annie J. Easley play at NASA?
D) Public relations officer
B) Rocket designer
A) Astronaut
C) Human computer and software developer
20
What is a frequency table used for?
D) To draw pictures
A) To make predictions about the future
B) To list different types of colors
C) To record how often each value occurs
