OpenUp 6th Math 8.5 Practice Problems and Vocab

The ____ of a set of numerical data is a value in the middle of the distribution. It represents a typical value for the data set.

the ____ of this distribution of cat weights is between 4.5 and 5 kilograms.

The ____ of a set of numerical data tells how far apart the values are.

the dot plots show that the travel times for students in South Africa are ___ spread out than for New Zealand.

• more

• less

Three sets of data about ten sixth-grade students were used to make three dot plots. The person who made these dot plots forgot to label them. Which label goes with this dot plot?

• Ages in years

• Numbers of hours of sleep on nights before school days

• Numbers of hours of sleep on nights before non-school days

Three sets of data about ten sixth-grade students were used to make three dot plots. The person who made these dot plots forgot to label them. Which label goes with this dot plot?

• Ages in years

• Numbers of hours of sleep on nights before school days

• Numbers of hours of sleep on nights before non-school days

Three sets of data about ten sixth-grade students were used to make three dot plots. The person who made these dot plots forgot to label them. Which label goes with this dot plot?

• Ages in years

• Numbers of hours of sleep on nights before school days

• Numbers of hours of sleep on nights before non-school days

The dot plots show the time it takes to get to school for ten sixth-grade students from the United States, Canada, Australia, New Zealand, and South Africa. List the countries in order of typical travel times, from shortest to longest.

• U.S., Canada, New Zealand, Australia, South Africa

• South Africa, Australia, New Zealand, Canada. U.S.

• Australia, South Africa, New Zealand, Canada, U.S.

• U.S. Canada, New Zealand, South Africa, Australia

The dot plots show the time it takes to get to school for ten sixth-grade students from the United States, Canada, Australia, New Zealand, and South Africa. List the countries in order of variability in travel times, from the least variability to the greatest.

• U.S., New Zealand, Australia, Canada, South Africa

• South Africa, Canada, Australia, New Zealand, U.S.

• U.S., Canada, New Zealand, Australia, South Africa

• U.S. Canada, New Zealand, South Africa, Australia

Twenty-five students were asked to rate—on a scale of 0 to 10—how important it is to reduce pollution. A rating of 0 means “not at all important” and a rating of 10 means “very important.” Here is a dot plot of their responses.

Explain why a rating of 6 is not a good description of the center of this data set.

Evaluate responses using AI:

OFF