A
B
C
D
E
100
The data collected from which question below would best be represented by a box plot?
What is the most popular brand of shoe in your class?
Is there a correlation between the temperature and ice cream sales?
What percentage of students like different genres of music?
What is the distribution of daily temperatures in a given month over several years?
4. What is the distribution of daily temperatures in a given month over several years?
100
Select all the statements below that accurately describe the data presented in the boxplot.
The minimum is 60.
The lower quartile is 60.
The median is 66.
The upper quartile is 67.
The median is 65.
The range is 3.
The maximum is 70.
The interquartile range is 3.
The minimum is 60.
The median is 66.
The upper quartile is 67.
The maximum is 70.
The interquartile range is 3.
100
Ramon drew boxplots to summarize the number of pages in each chapter of two books. The values of the interquartile ranges for these boxplots are the same. Which boxplot could represent this data?
1.
2.
3.
4.
3.
100
A cell phone company wants to know the age of its customers and how many text messages were sent in a 24 hour period. Which data collection method is the most appropriate?
Store Visits
Surveys
Focus Groups
Observations
2. Surveys
100
There are four white socks and six black socks in a drawer. What is the probability of selecting a white sock, not replacing it, and then selecting another white sock?
1/3
2/15
3/25
7/90
2/15
200
The principal of your school wants to know how long students spend on homework. What would be the best method for them to gather information about time spent on homework?
Ask the staff how much homework they give.
Make observations in the after-school programs.
Send a survey to the students to fill out.
Google “Average Time Spent on Homework in Middle School.”
3. Send a survey to the students to fill out.
200
This boxplot represents the number of grocery items that people purchased at a grocery store on Monday.
Which statement is not true based on the boxplot?
The interquartile range is 5.
The range is 9.
The upper quartile is 8.
The median is 6.
4. The median is 6.
200
Mr. Kimenski is looking over his expenses for last year. The breakdown of his expenses are below:
Rent: 40%
Groceries: 15%
Utilities: 15%
Entertainment: 5%
Transportation: 15%
Miscellaneous: 10%
Which type of graph would be best for him to represent his data?
Pictograph
Circle Graph
Stem-and-Leaf Plot
Histogram
2. Circle Graph
200
Select all situations representing independent events.
Spinning a spinner two times.
Rolling a die and then flipping a coin.
Taking one candy out of a bag, eating it, and then taking another candy.
Taking one card from a set of ten cards, replacing it, and then taking another card.
Taking a sock from a drawer, placing it on your foot, and then picking another sock from the drawer.
Taking a card from a set of ten cards, not replacing it, and then taking another card.
Selecting a student to line up for lunch then choosing a second student to line up.
Spinning a spinner two times.
Rolling a die and then flipping a coin.
Taking one card from a set of ten cards, replacing it, and then taking another card.
200
There are 5 blue jelly beans, 2 red jelly beans, 1 orange jelly bean, and 2 pink jelly beans in a bag.
Once a jelly bean is drawn, it is not replaced. Find the probability of selecting a blue jelly bean and then a pink jelly bean.
1/10
1/9
1/100
1/125
2. 1/9
300
Karen is surveying people at the outlets. She wants to know which store is the most popular. Which group of people would show statistical bias?
Surveying people as they walk into the outlets.
Surveying people in the food court.
Surveying people in the parking lot..
Surveying people in Old Navy.
4. Surveying people in Old Navy.
300
The list shows the number of points scored per game by several basketball teams along with the corresponding boxplot.
32, 40, 41, 43, 51, 57, 62, 63, 71, 71, 74, 78
If a team scored 80 points in their next game, which of the following is true about the new box plot?
The minimum would increase.
The median would decrease.
The median would increase.
The upper quartile would stay the same.
3. The median would increase.
300
Ms. Pompeii surveyed each student as they walked into her class. She asked each student what their favorite color was between red, yellow, orange, green and blue. Which graphical representation would be best for her to represent the data, in order to provide information about the most popular color?
Circle Graph
300
Yvette is conducting two experiments.
She is picking marbles from a bag that contains 1 pink, 4 purple, 3 blue, and 2 white marbles.
The first experiment is without replacement.
The second experiment is with replacement.
If in both experiments she picks a purple marble, which of the following statements is correct?
Yvette’s probability of the second experiment is greater than the probability of the first experiment.
Yvette’s probability of the first experiment is greater than the probability of the second experiment.
Yvette’s probability of both experiments are equal.
Yvette’s probability of both experiments together equals 25%
Yvette’s probability of the second experiment is greater than the probability of the first experiment.
400
Which of the following does not show statistical bias?
Surveying people between the ages of 15-25 when studying smartphone usage patterns.
Conducting a survey only online about political platforms.
Surveying people of all populations about their eating habits when studying healthy eating habits across the United States.
Using a faulty thermometer when measuring the outside temperature during the month of July.
3. Surveying people of all populations about their eating habits when studying healthy eating habits across the United States.
400
The boxplot below summarizes the time in seconds it takes 10th graders to run the 400-meter dash. What percent of times fall between 72 and 77 seconds?
25%
50%
75%
100%
2. 50%
400
Mr. Zhy asked 140 tenth grade students at his school how much time they spend on social media accounts per day. Of those 10th graders, 105 students responded that they spend more than 4 hours. At a meeting of the student council Mr. Zhy reports “76% of students at this school spend too much time on social media.”
Which of the following explains why this is misleading?
The survey does not represent the population of the school.
The question should have been multiple-choice.
The question was biased.
The sample size was too small.
1. The survey does not represent the population of the school.
400
These cards are the same size and same shape. They are placed inside a bag.
What is the probability of selecting the letter B, replacing it, and then selecting the letter F?
1/36
1/12
1/6
1/30
1. 1/36
500
The following data represents the age people started working their first job.
23, 19, 16, 16, 20, 19, 16, 18, 17
Which of the following box-and-whisker plots correctly represents this data?
1.
2.
3.
4.
3.
500
The test scores for the students in two different classes are summarized in these boxplots.
The 20 students in Class 1 completed the test.
The 12 students in Class 2 completed the test.
What is the difference between the number of students who earned a score of 90 or greater in Class 2 and the number of students who earned a 90 or greater in Class 1?
1
2
5
7
1. 1
500
Which scenario would be used to create a scatterplot?
What percentage of students in each grade level of a middle school take a foreign language?
What is the relationship between a person’s age and the number of social media apps they have on their phone?
What is the frequency distribution of PlayStation sales in different states for the past year?
What is the range in temperature over the course of a year in a particular city?
2. What is the relationship between a person’s age and the number of social media apps they have on their phone?
500
Clinton will spin the two spinners at the same time.
What is the probability that both spinners will land on a color that is NOT pink? Type the probability as a percentage.
50%