Questions from Financial Algebra

Q: The variance of a distribution is 195. What is the standard

The variance of a distribution is 195. What is the standard deviation, rounded to the nearest thousandth?

Q: Janine is analyzing spending habits of students in her high school.

Janine is analyzing spending habits of students in her high school. She finds a mean monthly discretionary expense of $70 spent on having meals out with friends. The standard deviation of a distributi...

Q: Interpret the quote in terms of what you have learned about essential

Interpret the quote in terms of what you have learned about essential and discretionary vacation expenses.

Q: A high school theater production had an admission price of $10

A high school theater production had an admission price of $10. During the show, 876 people paid to enter. a. What is the range of the distribution of admission fees? b. What is the standard deviation...

Q: Getaway Sports is a vacation destination for the serious sports fanatic.

Getaway Sports is a vacation destination for the serious sports fanatic. Rajesh is in charge of equipment for the complex. The last shipment of ping pong balls was normally distributed with a mean wei...

Q: Using the data from question 2, you can compute the mean

Using the data from question 2, you can compute the mean food and lodging cost of a 10-day vacation by multiplying the per-day mean by 10. The standard deviation for the 10-day vacation can be found b...

Q: Interpret the quote in terms of what you have learned about essential

Interpret the quote in terms of what you have learned about essential and discretionary expenses.

Q: Is it possible for a linear regression line to go through every

Is it possible for a linear regression line to go through every point on a scatter plot? Is it possible for a linear regression line to not go through any point on a scatter plot? Explain.

Q: The table gives the number of songs purchased from MyTunes at different

The table gives the number of songs purchased from MyTunes at different prices per song. a. Find the equation of the linear regression line. Round the slope and the y-intercept to the nearest hundredt...

Q: You get paid on the first day of each month. You

You get paid on the first day of each month. You cash your check and pay all of your essential expenses. You keep the balance in your “discretionary spending” envelope. A scatter plot shows the number...