8.5D Trend Lines Assignment

Front

What is a resting heart rate and how is it typically measured?

Back

The resting heart rate is the number of heartbeats per minute when a person is at rest. It is typically measured by counting the pulse at the wrist or neck after sitting quietly for a few minutes.

Front

How can exercise affect resting heart rate?

Back

Regular exercise can lower resting heart rate by improving cardiovascular efficiency and heart function.

Front

What is a scatterplot and what information does it convey?

Back

A scatterplot is a graphical representation of two variables, showing how much one variable is affected by another. It helps visualize the relationship between the variables.

Front

What does the line of best fit represent in a scatterplot?

Back

The line of best fit represents the trend in the data points of a scatterplot, indicating the general direction of the relationship between the two variables.

Front

How can you use a line of best fit to make predictions?

Back

You can use the line of best fit to estimate the value of one variable based on the value of another by finding the corresponding point on the line.

Front

What is the formula for calculating earnings based on hours worked and pay rate?

Back

Earnings = Hours Worked x Pay Rate.

Front

If Joe earns $400 for 25 hours of work, what is his hourly wage?

Back

His hourly wage is $400 / 25 hours = $16 per hour.

Front

How do you interpret the slope of a line in a graph?

Back

The slope of a line indicates the rate of change between the two variables; a steeper slope means a greater change.

Front

What factors can influence spending behavior in a group setting?

Back

Factors include group size, individual preferences, occasion type, and budget constraints.

Front

What is the significance of making predictions in data analysis?

Back

Making predictions helps in decision-making and planning by estimating future outcomes based on current data.