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Open Up - Grade 6 - Mathematics - Unit 8 - Lesson 14

Last updated 9 months ago

6 questions

1

Here is a dot plot that shows the ages of teachers at a school.

Which of these statements is true of the data set shown in the dot plot?

1

Priya asked each of five friends to attempt to throw a ball in a trash can until they succeeded. She recorded the number of unsuccessful attempts made by each friend as: 1, 8, 6, 2, 4. Priya made a mistake: The 8 in the data set should have been 18.

How would changing the 8 to 18 affect the mean and median of the data set?

1

In his history class, Han's homework scores are:
The history teacher uses the mean to calculate the grade for homework. Write an argument for Han to explain why median would be a better measure to use for his homework grades.

1

The dot plots show how much time, in minutes, students in a class took to complete each of five different tasks. Select all the dot plots of tasks for which the mean time is approximately equal to the median time.

1

Zookeepers recorded the ages, weights, genders, and heights of the 10 pandas at their zoo. Write two statistical questions that could be answered using these data sets.

1

Here is a set of coordinates. Draw and label an appropriate pair of axes and plot the points.

A = (1, 0), B = (0, 0.5) C = (4, 3.5) D = (1.5, 0.5)

Source: Open Up Resouces (Download for free at openupresources.org.)