Introduction to Statistics: Help and Review 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. Which is a sampling method that involves separating the population into clusters, and then selecting random samples from each of the clusters?

Question 2 2.

Use the square root model, as presented in the lesson, to transform the following data set:

(5, 25) (2, 16) (4, 9) (7, 4) (12, 36)

Question 3 3. What are groups of information that are scaled and separated equally?

Question 4 4. How far a set of numbers are spread out is known as:

Question 5 5. What is a part of a population used to describe the whole group?

Question 6 6.

What is the variance of the data set below?

3, 7, 9, 11, 11, 11, 15, 17, 18, 24

Question 7 7. The local bowling team plays in a 7-team league where each team plays other teams 4 times in a season. Using the combination formula, how many different games will be played in a season?

Question 8 8. 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 9 9. To find the median of a set of values, what is the first thing one must do?

Question 10 10. Solve the following combination:

Question 11 11. 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?

Question 12 12. All of the letters of MISSISSIPPI are put in a bag. What is the probability of selecting an M and then after not replacing the letter, selecting a P?

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

Question 14 14.

The following data set represents the minimum wage for 1990-2000. Calculate the median.

8.25, 9.8, 7.25, 7.25, 7.25, 8.75, 8.44, 9.5, 9.6, 9.5

Question 15 15. Using the Pie Chart 'Who Sells The Most Fast Food?', which fast food restaurant had about 17 Billion in sales?

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Introduction to Statistics: Help and Review 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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