Unit 2 Review Part 1

Alexander rides a school bus to school, and so do many of his classmates. 

Which is a statistical question Alexander could ask?

• How many buses full of students arrived at my school today?

• How long did it take each of the buses bringing students to school today to arrive?

Which statement describes the shape of the data distribution in the plot shown below?

• The distribution is skewed right.

• The distribution is symmetric.

• The distribution is uniform.

• The distribution is skewed left.

Which statements are true? Choose all that are correct.

• The line plot shows that 6 students had 1 school absence.

• The line plot shows that most students had more than 6 school absence.

• The mean is greater than the median for this data set.

• The line plot represents 21 students.

• The range of these data is 6.

Which of the following statements is true regarding this data? Select all that apply.

• The distribution is symmetric.

• The maximum age would best describe the ages of the students in the play.

• The mean and the median are the same.

• The mean and the median would best represent the ages of the students in the play.

Which data display models the appropriate equal share value (mean) or balance point for the given data distribution?

• A

• B

Three members of the school track team ran a 3-lap relay race. Their combined time was 74.0 seconds. The times for the first 2 laps are shown below. 

Lap 1: 22.8 seconds 

Lap 2: 23.7 seconds

What was the time for lap 3?

• 34.9 seconds

• 27.5 seconds

Mrs. Hosley bought a box of colored pencils for each student in her class to use for a special art project.  If the colored pencils cost $1.72 per box and she has 28 students in her class, how much did Mrs. Hosley spend on colored pencils?

• $48.16

• $16.27

• $46.18

What is the height of Ms. Hoey's second plant?

• 0.5 meter

• 0.57 meter

Which addition problem is modeled with the hundredths grids?

• 32 + 5 = 37

• 3.2 + 0.5 = 0.37

• 0.32 + 0.05 = 0.37

Deanna wants to make her pet snake a t-shirt to wear.  She picks out the perfect fabric at the fabric store.  The piece of fabric is ⅚  yards in length, but she only wants ¼  of this length. How long of a piece should she ask the sales attendant to cut for her?

• 5/24

• 14

• 5/15