# DSST Principles of Statistics: Study Guide & Test Prep Final Exam

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#### Question 1 1. Which of the following statements is NOT quantitative data?

#### Question 2 2. Charlotte is part of her local track team. She can jump 4 hurdles and can long jump 5 feet 5 inches. There are seven girls and ten boys on her track team. Six of the team members are ranked in the top 10 of regional athletes. Which piece of this data is discrete and which is continuous?

#### Question 3 3. Similar to a response variable, what is a condition or piece of data in an experiment that is controlled or influenced by an outside factor, most often the independent variable?

#### Question 4 4. Similar to an explanatory variable, what is a condition or piece of data in an experiment that can be controlled or changed?

#### Question 5 5. What are all members of a specified group classified as in statistics?

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#### Question 6 6. David wants to collect information about his friends and the number of siblings they have living at home. David has 8 friends. How should he collect this data? Why?

#### Question 7 7. What are the two categories of statistics?

#### Question 8 8. What are the characteristics used to describe a population called?

#### Question 9 9. What is the observed variable, or variable in question?

#### Question 10 10. Which of the following answers is an example of discrete data?

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#### Question 11 11. Which of the following answers is an example of continuous data?

#### Question 12 12. Madison and Charlotte are having another competition. This time they are seeing how long they can each hold a note on their flutes. Meanwhile, Charlotte wants to know how many notes Madison can produce accurately on her flute. Which of these pieces of data are discrete and continuous?

#### Question 13 13. What is a measurement of data that is grouped in evenly distributed values and measured based on the group that the variable attributed?

#### Question 14 14. Marco is conducting an experiment on training certain breeds of dogs. He wants to know how long, on average, it would take to teach a Labrador to fetch an object. He gets a group of dogs to conduct his experiment. 5 of the dogs are Labradors and 3 of the dogs are Dalmatians. What is the population and sample in this experiment?

#### Question 15 15. What is a part of a population used to describe the whole group called?

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#### Question 16 16. The numbers on a lacrosse jersey is an example of what type of data?

#### Question 17 17. What is a combination of inferences based on collected data and population understanding used to predict information in an idealized form?

#### Question 18 18. What is data that can be ordered and ranked, but not measured?

#### Question 19 19. Julie wants to understand the growth rates of kindergarten children. She asks a local elementary school for their help and takes the measurements of 45 kindergartners throughout the year. She finds that the children grow at a rate of 2-4 inches over the year while the national research shows that children of that age grow at a rate of 2-3 inches per year. Identify the population, sample, statistic and parameter in this scenario.

#### Question 20 20. What is statistical estimation?

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#### Question 21 21. What is a mathematical comparison between two numbers?

#### Question 22 22. Levels of ability in martial arts is an example of what type of data?

#### Question 23 23. In statistics, a sample:

#### Question 24 24. What are all members of a specified group?

#### Question 25 25. What is a part of a population used to describe the whole group classified as in statistics?

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#### Question 26 26. Select the statement that represents discrete quantitative data.

#### Question 27 27. Which two are examples of descriptive statistics?

#### Question 28 28. Brown school has decided to review their ratio of girls to boys in the Second grade class. They decided to count the number of boys in Second grade. This is an example of what type of data?

#### Question 29 29. What is categorical data that assigns numerical values as an attribute to an object, animal, person or any other non-number?

#### Question 30 30. Bob proposed that the more you exercise, the more likely you are to be promoted at your job. He reviewed the exercise regimens of coworkers who were promoted and those that were not. In this example, exercise is a(n) _____ variable, and job status is a(n)_____ variable.

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#### Question 31 31. Elizabeth is waiting for her flight at the airport. She decides to conduct an experiment. She wants to know how many people at the airport carry a laptop with them for their flight. She sees 50 people walk pass her as she waits. Thirty of those people are carrying laptops. What is the population and sample in this scenario?

#### Question 32 32. What is information that is collected for analysis?

#### Question 33 33. What is a variable, or set of variables, that can influence the response variable?

#### Question 34 34. What is data that can be measured and ordered?

#### Question 35 35. Which two fall under the category of inferential statistics?

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#### Question 36 36. What is data that can be divided infinitely, it does not have any value distinction?

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Question 37
37.
Katie is collecting data about the number of people that are interested in different dance styles. After passing out a survey, she has gathered the following information:

Style / Number of Interests

Ballet / 20

Jazz /12

Hip Hop / 8

Lyrical / 26

Tap / 10

What type of data did Katie collect?

#### Question 38 38. What is data that cannot be divided, it is distinct and can only occur in certain values?

#### Question 39 39. Sandra is selling her new line of all natural make-up products and wants to know the popularity of certain colors among teenagers. She hands out a survey to all of the students in her teenager daughter's class and asks them to identify their favorite make up colors. Which is the population and which is the sample in this scenario?

#### Question 40 40. Alyssa wants to determine whether or not there is a correlation between reading to children and their IQ level. Which type of study and variables does she need to use?

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#### Question 41 41. In a study, a group of mice are given an injection of a drug proposed to shrink lung tumors. After one month, the tumors are measured. This is an example of a(n) _____ study.

#### Question 42 42. What are the characteristics of a sample used to infer information about the population called?

#### Question 43 43. Samantha is gathering information about how many calories the athletes on her team consume during game week. She can collect and analyze this data as either categorical or as quantitative. Select the correct way she can put together either piece of data.

#### Question 44 44. Madison is trying out for the track team. There are 26 people trying out for the team. There are 4 people wanting to run distance, 6 people wanting to pole vault, 8 people wanting to sprint, and 2 people that want to throw shot put. Madison can run a half mile in 6 minutes and she finished 6th in the 100 meter dash. Which of these pieces of data is discrete and which is continuous?

#### Question 45 45. In an experimental study, one group was required to water their lawn once a week and another was required to water three times per week. The control group did not water their lawn at all. Watering the lawn is the _____, and the number of times is the _____.

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#### Question 46 46. What is data that is collected in groups or topics, the number of events in each group is counted numerically?

#### Question 47 47. One trick to finding out of information is categorical or quantitative is to analyze the answer to the question. Each answer choice pairs the answer to the question with categorical or quantitative data. Select the answer selection that is correct.

#### Question 48 48. In a study, a group of mice are put into a maze with multiple paths and options. The time it takes each mouse to complete the maze and the path taken are recorded. This is an example of a(n) _____ study.

#### DSST Principles of Statistics: Study Guide & Test Prep Final Exam Instructions

Choose your answers to the questions and click 'Next' to see the next question. You can skip questions if you would like and come back to them later with the "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. You will lose your work if you close or refresh this page. Good luck!