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WorksheetsScatter Plots Review
Total questions: 20
Worksheet time: 36mins
D. 63 min
Zara wants to know how teachers in the local school district feel about extending the school day to 30 minutes longer. Which method will produce a representative sample and therefore provide valid inference?
Survey all the teachers who have publicly protested or supported the proposal.
Survey the first 30 teachers who arrive at Zara's school in the morning.
Survey a random sample of 30 teachers within the school district.
Survey a random sample of 30 teachers and parents of kids within the district.
You want to estimate the number of students in a high school who ride the school bus. Which sample is best?
4 students in the hallway
All students in the marching band
50 seniors at random
100 students at random during lunch
I survey a senior citizen center to gain information about the population of NE Oklahoma. Which of the following best describes my population sample?
Biased, sample is randomly taken or representative of population.
Biased, sample is not randomly taken or representative of population.
Representative, sample is randomly taken & representative of population.
Representative, sample is not randomly taken or biased in terms the of population.
Yolanda wants to survey the 7th grade students at her school to learn their opinions about STEM activity days. Which of the following sampling methods is most likely to create a random sample that is representative of the population of 7th grade students at her school?
Choosing every 5th student who enters the gym during PE
Asking the 7th grade students to volunteer for the survey
Selecting the first 4 boys and first 4 girls in an alphabetized list of each 7th grade science class period
Placing the ID numbers of 7th graders in a bag and drawing 15 numbers without looking.
What might a scatter plot be used for in real life?
To determine the best type of pet.
To analyze the relationship between height and shoe size.
To choose a color for painting a room.
To decide what to have for lunch.
What question would lead to data that would best be represented by a scatterplot?
Is a student's favorite class related to the grade they received on their last test?
What sports have the lowest amount of points scored?
Is more ice cream sold on days it is hotter?
What is the average attendance at school each day?
What question would lead to data that would best be represented by a scatterplot?
Does the age of a runner affect their speed?
Which months have the hottest temperatures?
What was the total snowfall in January last year?
Does a students favorite color impact the color car they drive?
What type of variables are best analyzed with a scatter plot?
Unrelated variables.
Categorical variables.
Numerical variables.
Fixed variables.
What is one reason to use a scatter plot?
To show how variables are unrelated.
To predict the outcome of one variable based on another.
To show data in alphabetical order.
To count the number of data points.
What can you analyze from a scatter plot?
The relationship between two variables.
The exact value of a variable.
The favorite color of most people.
The number of pets each person has.
To create a scatter plot, we must have:
SELECT ALL
Bivariate Data
Univariate Data
Categorical Data
Numerical Data
