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week 6 Flashcards | StudBud
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week 6
week 6
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Answers
1
What is the purpose of prescriptive statistics?
To summarize large amounts of data
To predict future trends
To provide recommendations based on analysis
To conduct surveys
2
What is one key benefit of understanding statistics in the workplace?
It is only useful for financial analysts
It helps in internal company research and decision-making
It eliminates the need for decision-making
It allows companies to rely only on intuition
3
Why are research skills important in statistics?
They replace the need for statistical tools
They are only used in financial markets
They help in creating meaningful studies and models
They are only useful for academics
4
Which field does NOT heavily rely on statistical analysis?
Finance & Marketing
Stock Market
Machine Learning
Poetry Writing
5
Which is NOT a real-world application of statistics?
Risk analysis in finance
Developing AI algorithms
Analyzing historical events without numerical data
Identifying consumer behavior in marketing
6
Which of the following is an example of a descriptive statistic?
Summarizing sales data using the mean and median
Predicting next month’s stock prices
Making recommendations based on analysis
Identifying future trends in a market
7
Which of the following best defines statistics?
A branch of algebra
A way to store large amounts of data
The study of numbers without practical application
The use of numerical data to make informed decisions
8
What is a 'population' in statistics?
A random sample from a dataset
A single data point
A type of survey method
The entire group being studied
9
Which principle is fundamental to making valid statistical inferences?
The standard deviation must be zero
The mean must always be used as the main statistic
The sample must be representative of the population
The data must be arranged in ascending order
10
What type of statistics is used to predict future trends?
Predictive statistics
Inferential statistics
Descriptive statistics
Prescriptive statistics
11
Why is statistics important in daily life?
It has no real-world applications
It helps in checking the weather forecast
It is only used by scientists
It is only for business professionals
12
What statistical measure best represents the central tendency of skewed data?
Mode
Standard Deviation
Median
Mean
13
If a dataset has a high variance, what does that indicate?
The data is normally distributed
The data points are close to the mean
The data points are spread out
The dataset is incorrect
14
What is a 'variable' in statistics?
A measurable characteristic that can change
A fixed number that doesn’t change
A formula used in probability
A statistical method
15
What is a 'sample' in statistics?
A specific type of variable
The total number of data points in a dataset
A smaller subset of the population used for analysis
A statistical technique
16
Which statistical concept is most useful for analyzing time series data?
Variance
Standard Deviation
Mode
Regression Analysis
17
Which of the following is an example of inferential statistics?
Sorting data alphabetically
Calculating the average test score in a classroom
Listing the highest-grossing movies
Predicting election results using polling data
18
Which spreadsheet tools can read this sheet and export to xlsx format?
Google Docs
Numbers
Excel
LibreOffice
19
Which field benefits from statistical methods for hypothesis testing?
Machine Learning
Data Science
Scientific Research
All of the above
20
Which of the following is NOT a basic indicator in descriptive statistics?
Variance
Median
Mean
Regression coefficient
21
Why is technical literacy important when learning statistics?
It replaces the need for statistical software
It allows people to read and understand technical reports
It is only needed for AI development
It is not relevant to statistics
