WorksheetsUnit 5 Assessment 1 Practice
Total questions: 11
Worksheet time: 6mins
Scholars Middle School has 100 students in each grade for grades 6, 7, and 8. The school bookstore plans to increase the choices of magazines sold at the store. Since Jill, the manager, cannot ask all the students, she will survey a group of them. Which sampling method can best help her to draw conclusions about the magazines that are preferred by all the school's students?
Select 10 students from each class.
Select 20 students from each class.
Select 10 students from each grade.
Select 20 students from each grade.
Why is this sampling method the most appropriate one?
It was the easiest method.
I had to choose something. I took a wild guess.
This method selects a sample that represents the whole population.
This method selected the least number of students.
Nya is conducting a study on the benefits of a vegan diet. She places ads in public places looking for individuals who are willing to change their diets and go for health screenings.
What seems to be the biggest problem that Nya has in finding participants that are a good representation of the general population?
The ads will most likely draw people who already take an interest in their health.
Illiterate people read ads.
Too many people will be interested, and Nya will have trouble choosing her sample group.
The ad will not be read, so it should be placed in health clubs, gyms, or healthy restaurant, for more accuracy.
Steve and Randy wanted to survey students to see if they prefer a talent showcase or poetry contest. Randy asked all of his friends, while Steve randomly selected students' names from a bag. Which statement is correct.
Its best to choose friends in a random sample. Loyalty above all.
Randy's sample method is more representative of the population of students.
Neither sample methods would be representative of the population of students.
Steve's sample of students is more representative of the population of students at the school than Randy's sample of students.
A school is purchasing new gym equipment for its PE classes. Coach Gagnon is in charge of ordering the supplies within a given budget. She has a few different options in mind, but would like to know the opinions of the students. To which group of people should Coach Gagnon survey in order to find the preference of the student population? Select all that apply.
Coach Gagnon should survey each of the other PE coaches.
Coach Gagnon should pick a random sports team to survey the players
Coach Gagnon should pick 5 random students from each homeroom to survey.
Coach Gagnon should pick 5 random students from each sports team to survey.
Coach Gagnon should deliver a survey to every 20th student listed on the school-wide attendance roster.
Grades 1, 2, and 3 of Little People Elementary School each have 200 students. The principal wants to know whether the students would like their lunch break to start and end 15 minutes earlier. Since she cannot ask all the students, she will survey a group of them. Which sampling method can best help her to draw conclusions about the preferences of all the school's students?
Ask the first graders because they can be easily convinced.
Ask 2 students from each class.
Ask 15 students from each class.
Ask 2 students from each grade.
Ask 15 students from each grade.
A manager at Waffle House hired a new cook. He wanted to test the new cook's precision to see if he could prepare hashbrowns consistently without burning them. On the first work day, 4 of the 5 hashbrowns he prepared turned out perfectly, without burning.
Sunday, there will be an influx of customers for Easter breakfast. If the cook prepares 115 hashbrowns, how many of them could we expect to turn out perfectly, without burning?
4
29
92
.01
A survey was conducted at Conyers Middle School to see if the students would prefer to have a field day or a water play day. Out of 20 randomly selected 6th graders, 17 said they would rather have a water play day. If all 240 6th graders were surveyed, which is a reasonable prediction for the number of students who would prefer the water play day?
255
100
180
204
Paris, Ryan and Beatrice were playing basketball. Their goal was to get 12 shots each. Below are the number of shots each player got in the basket successfully.
Paris 3
Ryan 7
Beatrice 8
Based on the information above, what is the most reasonable prediction of the number of shots Paris and Ryan will score if each attempts 40 shots?
30
20
33
23
In a random sample of citizens in one town, 18 out of 150 people were under 5' 5". Which of these is the best inference to make?
About 8% of the people in the town are under 5'5".
About 12% of the people in the town are under 5'5".
18% of people on earth are under 5'5" generally.
The munchkins of Oz are a part of this population.
The principal at Michelle Obama Middle School is considering a change to longer school days on Monday through Thursday and no school on Fridays. She did a survey of 30 random students and found that 24 of them were in favor of the change. If there are 820 students at Obama Middle, which of the following is a reasonable estimate of the number of students who are in favor of the change?
400
200
700 (Because we round 656 up to 700)
600
