IM Algebra Unit 1 Summaries Quiz

_____________ data is expressed using a number.

• Numerical

• Categorical

_____________ data is expressed using characteristics.

• Numerical

• Categorical

Which question would produce categorical data?

• What is the average class size at this school?

• What are the favorite colors of the students at this school?

Why is the question "How many students are on the roster for this class?" considered non-statistical?

• answered by collecting data

• answered with categorical data

• no variability

Variability in data means

• not all values are the same

• all values are the same

• the values don't make sense

• the values vanish

Its helpful to represent data graphically because

• its easier to notice patterns

• its easier to notice interesting features

• its easier to see the distribution

• it's not helpful

Which graphs are easiest to see the shape and distribution of data?

• Dot Plot

• Historgram

• Box Plot

• Circle Graph

Which graph is the easiest to see the exact data values?

• Dot Plot

• Historgram

• Box Plot

• Circle Graph

Which graph is the easiest to see the exact data values?

• Dot Plot

• Historgram

• Box Plot

• Circle Graph

Which statistic is NOT a part of the five number summary

• minimum

• quartile 1

• mean

• median

• maximum