Data

Which r value best represents this set of data?

• r = 0.9

• r = 0.1

• r = -0.1

• r = -0.9

Which r value best represents this set of data?

• r = 0.9

• r = 0.1

• r = -0.1

• r = -0.9

Which r value best represents this set of data?

• r = 0.9

• r = 0.1

• r = -0.1

• r = -0.9

Predictions can be made using the trendline. An __________ is a prediction about a point within the domain, whereas an _____________ is a prediction about a point outside of the domain.

• extrapolation ... interpolation

• interpolation ... extrapolation

• intercept ... extracept

• introvert ... extrovert

Residual plots are plots wherein the y-values of each point represent the residual of the corresponding data point. Which residual plot best matches the provided data set?

• 
• 
• 
• 

How many 9th grade students were surveyed?

• 61 students

• 62 students

• 69 students

• 130 students

How many more 9th graders than 10th graders chose green beans as their preferred vegetable?

• 15 - 9 = 6 students

• 24 - 20 = 4 students

• 32 - 30 = 2 students

• 30 - 15 = 15 students

Data that can be expressed with NUMERICAL measurements are called...

• Quantitative data

• Qualitative data

• Categorical data

• Rational data

True or False: 125, 130, 160 are examples of QUANTITATIVE data.

• True

• False

How many students prefer celery?

• 20 students

• 24 students

• 44 students

• 130 students