Step 3 Sample

The dot plots show the number of hours students spent last week on social media sites.        
Which of the following is NOT an inference that can be made about the two populations?

•      Males and females both spend a median of 7 hours a week on social media sites             
• A.  Females typically spend less time than males on social media sites.
• The range for males is greater than the range for females
• The interquartile range for males is 5 hours. 

Based on the information in the box plots, which statement about the time spent exercising outside appears to be true? 

• The median amount of time the first class spent exercising was greater than the median amount of time the second class spent exercising.
• The range for the second class was 15 minutes more than the range for the first class.
• The interquartile range for the first class was more than the interquartile range for the second class.
• A.  The minimum amount of time the second class spent exercising was greater than the minimum amount of time the first class spent exercising.

Mr. Roberts drives his car away from his house at a constant speed. Which of the following graphs best shows the relationship between the distance traveled and the time spent driving?

• F
• G
• H
• I

Tags

CCSS.8.EE.B.5

Ice forms in the cracks of a basalt rock formation and breaks some rock into smaller pieces. The diagram below shows part of the rock cycle. At which point in the cycle shown above would the process of breaking down rocks occur?

• J
• K
• L
• M

Food webs show feeding relationships among different types of organisms. Those organisms each have a specific niche. Which of the following best describes a function of decomposers in food webs?

• A.to recycle nutrients into soil
• B.to convert solar energy into food
• C.to provide food for secondary consumers
• D.to compete with secondary consumers for oxygen

Name this structure.

• capillary

• liver

• alveoli

• stomach

The graph represents the diameter of the bloodstain (cm) versus the height from which it was dropped (cm). Using the graph, from what height was the blood most likely dropped that would result in a blood stain pattern with a diameter of 1.9 cm?

• 80cm

• 120cm

• 150cm

• 200cm

How many atoms of chlorine are there in chlorine gas??

• 1

• 2

• 3

• 4

A principal wants to know if students at a particular high school are in favor of a new dress code at their school. The principal is not able to ask the opinion of every student at the school, so she needs to select an appropriate sample of the students to represent the high school.

• Students randomly selected from a list of all students at the school.

• Students sitting at randomly selected tables in the library.

• Students she selects from the hallway between classes.

• Students selected by the teacher.

The number line shows record low temperatures for four states. What is the difference, in degrees, between the record low temperatures in Hawaii and South Dakota?

• 46

• -46

• 70

• -70