Data Types
What is qualitative data?
Text, opinions, or descriptions
Name one way to collect data.
Surveys, interviews, observations, sensors
What is looking for patterns in data called?
Data analysis
What is a bar chart used for?
To compare amounts
What is an insight?
A useful conclusion or understanding from data
What is quantitative data?
Numbers or measurements
What is a survey?
A list of questions to gather information
What is finding the average called?
Calculating the mean
What does a line graph show?
Changes over time
Why do companies use data?
To make better, smarter choices
Give one example of qualitative data.
Interview responses, customer reviews
What kind of data does a sensor collect?
Temperature, motion, humidity, etc.
What is sorting data to find trends?
Sorting and grouping the data
What does a pie chart show?
Parts of a whole
What is a data-driven decision?
stats, trends, information
Give one example of quantitative data.
Age, price, number of products sold
What is observation in data collection?
Watching and recording what people do
What tool helps analyze data in Excel?
Excel functions, like AVERAGE or COUNT
Why do we use dashboards?
To track important data at a glance
What is a KPI?
key performance indicator
What’s the difference between qualitative and quantitative data?
Qualitative = descriptive, non-numeric; Quantitative = measurable, numeric
Why is it important to collect accurate data?
So results are correct and useful
What is correlation in data?
A relationship between two things in the data
What is a scatter plot used for?
To show the relationship between two variables
How can bad data affect decisions?
false, misleading