Data Analysis / Geometry STAAR Review

The table below shows the ages of siblings gathered from 5 students.

Ages of Siblings

6, 2, 4, 13, 7, 8, 3, 10, 16, 1

What is the median of the ages listed above?

• 6.5

• 7.5

• 7 & 8

• 5

The list shows the numbers of students in each class that have perfect attendance. 

8, 13, 16, 4, 17, 12, 13, 6, 16, 9, 15

What is the mean of the numbers of students with perfect attendance in each class?

• 13 & 16

• 12

• 13

• 17

BestBuy sells the newest Play Station games at prices ranging from

$10, $20, $13, $10, $25, $40, $35

What is the median price of the games?

• $10

• $30

• $20

• $22

BestBuy sells the newest Play Station games at prices ranging from

$10, $20, $13, $10, $25, $40, $35

What is the average price of the games?

• $13

• $40

• $10

• $22

Students at a middle school were asked what their favorite candy bar was. 

15 = Reeses

5 = Hersheys

20 = Snickers

10 = KitKat

Which TWO percentages represent Reeses and KitKat?

• 30%

  20%

• 15%-20%

• 30%-40%

  15%-20%

• 10%

The bar graph shows the types of candy that like the most.  

Which statement is NOT supported by the data displayed in the bar graph?

•  18 students like caramel and banana flavored candy.

• The mode of the data is 10.

•  Over half of the students prefer caramel and green apple flavor.

• 30 students were asked about their favorite candy.

The table below shows the ages of siblings gathered from 5 students.

Ages of Siblings

6, 2, 4, 13, 7, 8, 3, 10, 16, 1

What is the interquartile range of the ages listed above?

• 15

• 7

• 6

• 17

Label the parallelogram with a height of 3 inches and a base of 6 inches. Write the formula to find the area. Solve for the area in square inches.

Based on the dot plot,

what is the median?

What is the mode?

• Median = 9

  Mode = 2

• Median = 5

  Mode = 10

• Median = 4.5

  Mode = 1 & 6

• Median = 6.5

  Mode = 1 & 6

Based on the information in the Percent Bar Graph, what percentage is correct?

• Agriculture: 50%

  Services: 85%

  Industry: 100%

• Agriculture: 55%

  Services: 30%

  Industry: 15%

• Agriculture: 10%

  Services: 30%

  Industry: 60%

• Agriculture: 50%

  Services: 40%

  Industry: 10%