Questions from Financial Algebra

Q: At the end of 2015, the U.S. Bureau

At the end of 2015, the U.S. Bureau of Economic Analysis posted the following data on the U.S. disposable personal income by month for the first 11 months of that year as indicated in this table: Mon...

Q: Back-to-school shopping is a very big business.

Back-to-school shopping is a very big business. Some may consider these expenses essential while others look at them as discretionary costs. However, you look at it, the data of the average dollars sp...

Q: Over the past 4 years, Reggie noticed that as the price

Over the past 4 years, Reggie noticed that as the price of a slice of pizza increased, her college tuition also increased. She found the correlation coefficient was r = 0.49. a. Which of the followin...

Q: Describe each of the following correlation coefficients using the terms strong,

Describe each of the following correlation coefficients using the terms strong, moderate, or weak and negative, or positive. a. r = 0.21 b. r = -0.87 c. r = 0.55 d. r = -0.099 e. r = 0.99 f. r =...

Q: The table on the right, from the Statistical Abstract of the

The table on the right, from the Statistical Abstract of the United States, shows amusement park attendance at the top 15 amusement parks for given years. Year (x) ……………………………………………. Amusement Park A...

Q: Which of the following scatter plots shows a correct line of best

Which of the following scatter plots shows a correct line of best fit?

Q: Lindsay invests $80 in an account that pays 1% annual

Lindsay invests $80 in an account that pays 1% annual interest, compounded monthly. Michele invests $60 in an account that pays 2% annual interest, compounded weekly. a. Whose balance is greater afte...

Q: In the 1950s and 1960s, baseball trading cards were sold in

In the 1950s and 1960s, baseball trading cards were sold in packages of five cards with a stick of gum for 5 cents. So each card cost approximately 1 cent. A 1953 Mickey Mantle card can sell for over...

Q: The table gives the number of songs purchased from My-Tunes

The table gives the number of songs purchased from My-Tunes at different prices per song. Price per Song ………………………………………. Number of Downloads (in thousands) $0.89 ………………………………………………………………………………………………...

Q: Rodney invests a sum of money, P, into an account

Rodney invests a sum of money, P, into an account that earns interest at a rate of r, compounded yearly. Gerald invests half that amount into an account that pays twice Rodney’s interest rate. Which o...