SWBAT demonstrate mastery of statistics and probability on the Unit 5 EOM Assessment
Remember that this is one of the last assessment grades going in for the semester.
Do your best and show your work to get as many points as possible!
I promise it won't be confusing as this question:
Assessment
2 points
2
Question 1
1.
Decisions, Decisions--The table below shows the number of students in a seventh grade class at Miraleste Intermediate School enrolled in each elective.
What is the probability of randomly selecting a student enrolled in music?
**You MUST SYW for full credit**
1 point
1
Question 2
2.
Survey Time--Steven will conduct a survey to determine the number of times per year that people in the United States shop for clothing.
Which sample should Steven use to get results that are the most representative of the total population?
1 point
1
Question 3
3.
Game Time--Megan wants to determine the number of students in her school who are planning to attend a basketball game this season. She surveyed 50 randomly selected students who were at the football game.
Which statement about the sample of students she surveyed is true?
2 points
2
Question 4
4.
Dress Code--You and a friend decide to conduct a survey at your school to see whether students are in favor of a new dress code policy.
Your friend stands at the school entrance and asks the opinions of the first 100 students who come to campus on Monday.
You get a list of all students at the school from the office and randomly select 60 to ask.
Your friend finds that 34% of her sample is in favor of the new dress code policy, but you only find that 16% of your sample were in favor.
Do you believe your friend's sample or your sample is more likely to be representative of the school population? Explain your choice with evidence.
2 points
2
Question 5
5.
In the Heights--Andrew wants to estimate the mean height of 7th graders at Prize. He measures the height of a number of boys and girls in each homeroom. The data is below:
Based on his data, what do you think is the mean height of a 7th grader at Prize?
**You MUST SYW for credit**
1 point
1
Question 6
6.
What are the Odds?--Alberto purchases a big of Mancini's Mini Munchies, a popular brand of chocolate chip cookies. After opening the bag, he finds that one of the cookies does not have any chocolate chips.
Based on the bag of 30 cookies, estimate the probability of this company producing a cookie with no chocolate chips. Leave your answer as a fraction, decimal, or percent.
1 point
1
Question 7
7.
Cards--A variety of shapes are drawn on cards as shown. The cards are put in a box and shaken around. One card is randomly selected.
What is the probability of selecting a card with a triangle?
2 points
2
Question 8
8.
HW--Jimothy makes a table displaying his estimated probabilities of minutes he will need to spend on homework. The table is shown in the SYW section.
What is the probability Jimothy will spend at least 30 minutes on homework?
**You MUST SYW for full credit**
2 points
2
Question 9
9.
Spinner Winner--Mayra spins the spinner in the SYW section twice in a row.
What is the probability that Mayra gets an odd number on BOTH spins?
**You MUST SYW for full credit**
Check Your Work!
Awesome work! Make sure that you CHECKED all your work and SHOWED work when it is necessary for credit.
While other students are finishing, you can:
1) Work on starred skills on IXL
2) Work on your lowest diagnostic topic
3) Work ahead on Algebra 1 (if you have talked to me about this already)