You need to take a survey and decide to use the Matterhorn team to collect data. There are 93 students on Matterhorn. Which one of these is a good statistical question you could ask?
A. Who is your math teacher?
B. How long is your school day?
C. What is your shoe size?
D. How many students are on the Matterhorn Team?
C. What is your shoe size?
The ages of a group of students in Mrs. Beck's class are: 10, 12, 13, 11, 10, 11, 10, 9, 10
What is the mode? What is the range?
Mode = 10
Range = 4
Mr. Rick is remodeling his backyard, and needs to get some grass to cover the whole thing. The yard is shaped like a rectangle and is 15 ft long and 11 ft wide. What is the area of his backyard?
165 ft2
What is the mean of this data set?
65, 10, 24, 19, 21, 29
Mean = 28
Ms. Lombardi wrote down this question to ask her math class:
How many of you bring your own water bottle?
Is this is a statistical question? Why or why not?
No, because this would only generate one answer. Statistical questions get you multiple answers.
The data below shows the ages of different animals at the zoo:
2, 4, 10, 19, 21, 8, 15
What is the median age of the animals?
Median = 10
What is the area of this parallelogram?
72 cm2
What is the surface area of this cube?
Surface Area = 384 cm2
What can you use to find how much this data set varies?
10, 14, 16, 19, 18, 24
A. the median
B. the mean
C. the mode
D. the range
D. the range; this show the difference between the largest and smallest numbers, showing how the numbers vary.
Make a statistical question you could ask a group of 6th graders parents.
Answers will vary.
I asked teachers how many hours they spend sleeping during the week. Here is the data:
5 lll
6 llll
7 llll
8 llll
What is the median amount of hours a teacher sleeps?
7 hours
Mrs. Marquez is making a triangle shaped cake, and she needs to know how much frosting to put on the top. What is the area?
Area = 15 cm2
Mr. Anderson is studying the pyramids in Egypt. He wants to know the surface area of one of them. What is the surface area of this one?
Surface Area = 144 ft2
Mrs. Sander is trying to fill a flower bed with dirt. She needs to know the area so she can know how much dirt to get. What is the area of the trapezoid?
Area = 26 m2
Is this a statistical question:
How many post-it notes does each teacher have on their desk?
Why or why not?
Yes, because it will give you multiple different answers.
What is the mean of the data set:
18, 15, 10, 5, 10, 20
Mean = 13
What is the area of the trapezoid?
81 cm2
Find the volume.
Volume = 144 units3
Mr. Clark wants to build a fort for his grandchildren. He needs to find the surface area to know how much material he needs. What is the surface area?
Surface Area = 90 in2
Make a statistical question you could ask a group of 5th graders.
Answers will vary.
The following box-and-whisker plot shows data from an age survey. What is the median age of this group?
Median = 18 years old
A rectangle on a coordinate plane connects at these points:
W (-2, 4)
X (2, 4)
Y (2, -1)
Z (-2, -1)
What is the length of side WZ?
5 units
Find the volume.
Volume = 119 cm3
Find the volume.
1/16 in3