Statistics: Written Problem Set

Directions:

2. Show your work AND explain your reasoning using complete English sentences. Explanations must directly follow the solution for each part of the problem.

3. Take a picture of your solution and explanation. Insert that image, cropped to only show the solution and explanation of the indicated problem, as a replacement for the italicized words after each problem.

4. Once you are done, you will click File --> Download --> PDF Document (.pdf) to save a pdf copy to your computer or drive.

5. Return to the assignment page where you will click the submit button. You will get an upload window where you will click choose file and navigate to this saved file.

1. [3 pts] The average weight of 6 people in an elevator is 173 pounds. A 7th person gets on and now the average weight is 165 pounds. How much did the 7th person weigh?

(Grade breakdown: 1 for set up and calculation; 1 for correct work; .5 for correct answer; .5 for correct explanation)

Replace the italicized words with your image of the solution, answer and explanation.

(for question 1 only)

2. Use the following data obtained from ages of the last six U. S. Presidents at the time of their inauguration to answer the following questions:

Ages of Last 6 Presidents at Inauguration

Ages of Last 6 Presidents at Inauguration Ronald Reagan 69 George Bush 64 Bill Clinton 46 George W. Bush 54 Barack Obama 47 Donald Trump 70