# Question: Consider the percentage change in the value of the dollar

Consider the percentage change in the value of the dollar with respect to other currencies over a four-week period (Table 4.3.9).

a. Find the average percentage change in the value of the dollar, averaging over all of these countries.

b. On average during this time period, did the dollar strengthen or weaken against these currencies?

c. Find the median. Why is it so different from the average in this case?

d. Draw a box plot.

a. Find the average percentage change in the value of the dollar, averaging over all of these countries.

b. On average during this time period, did the dollar strengthen or weaken against these currencies?

c. Find the median. Why is it so different from the average in this case?

d. Draw a box plot.

## Answer to relevant Questions

For the yields of municipal bonds (Table 3.9.1 in Chapter 3): a. Find the average yield. b. Find the median yield. c. Find the quartiles. d. Find the five-number summary. e. Draw a box plot of these yields. f. Identify the ...Consider the costs charged for treatment of heart failure and shock by hospitals in the Puget Sound area, using the data from Table 3.9.6 of Chapter 3. a. Summarize the costs. b. Draw a box plot. c. Draw a cumulative ...Consider the profits of health care companies in the Fortune 500, as shown in Table 4.3.3. a. Draw a histogram of this data set, and briefly describe the shape of the distribution. b. Find the profit of the average firm. c. ...For the training level: Answer the parts of exercise 3. a. Summarize by finding the percent of each category. b. Find the mode. What does this tell you? a. What is the range? b. What are the measurement units of the range? c. For what purposes is the range useful? d. Is the range a very useful statistical measure of variability? Why or why not?Post your question