Introduction to Statistics: Tutoring Solution Final Exam

Free Practice Test Instructions:

Choose your answer to the question and click 'Continue' to see how you did. Then click 'Next Question' to answer the next question. When you have completed the free practice test, click 'View Results' to see your results. Good luck!

Question 1 1. What is a graph of ordered pairs showing a relationship between two sets of data?

Question 2 2. What type of data uses two sets of variables that can change and are compared to find relationships?

Question 3 3. What is a type of random sampling where the variables have an equal, and unsystematic, chance of selection?

Question 4 4. What is the relationship between two sets of variables used to describe or predict information?

Question 5 5. Solve the expression 5P4 (P = permutation )

Question 6 6. What does the vertical, or y-axis, on a frequency polygon show?

Question 7 7. On a 5 question, multiple-choice test, what is the probability that you will get at least one problem correct while guessing? Each question has 5 choices.

Question 8 8. What is the relationship between two mathematical values, where each value can be less than, greater than, or equal to the second value?

Question 9 9. Suppose you play a game with two six-sided dice, where if you get doubles, you win $10, but for anything else you lose $5. If you continue to play this game, how much do you expect to win or lose per roll in the long run? In other words, what is the expected value of this game?

Question 10 10. A group of students decide to hold a staring contest. The student that can stare without blinking for the longest amount of time is the winner. Using the standard competition ranking, who scored 5th place?

Question 11 11. A locker combination contains four numbers between 1 and 20 and none of the numbers can be repeated. What is the probability that the locker combination will consist of all even numbers?

Question 12 12. Using the box plot provided, what is the vertical line circled in red?

Question 13 13. Using the box plot provided, what is the rectangle circled in red?

Question 14 14. You play a game with two six-sided dice. If you roll a sum of 6 or 8, you win $3. If you roll a sum of 11, you win $1, but for anything else, you lose $2. If you continue to play this game, what do you expect to win in the long run?

Question 15 15. James is going through an old bag of marbles. He bets his friends that he can pull a red marble out of the bag and then a yellow marble in one try. There are 12 red marbles and 7 yellow marbles. What is the probability that he can pull a yellow from the bag, given that he has already pulled a red?

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Introduction to Statistics: Tutoring Solution Final Free Practice Test Instructions

Choose your answer to the question and click 'Continue' to see how you did. Then click 'Next Question' to answer the next question. When you have completed the free practice test, click 'View Results' to see your results. Good luck!

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