Questions from Applied Statistics

Q: The distribution of beach condominium prices in Santa Theresa ($ thousands)

The distribution of beach condominium prices in Santa Theresa ($ thousands) is T(500, 700, 2,100). (a) Find the mean. (b) Find the standard deviation. (c) Find the probability that a condo price will...

Q: The price (dollars per 1,000 board feet) of

The price (dollars per 1,000 board feet) of Douglas fir from western Washington and Oregon varies according to a triangular distribution T(300, 350, 490). (a) Find the mean. (b) Find the standard devi...

Q: The distribution of scores on a statistics exam is T(50

The distribution of scores on a statistics exam is T(50, 60, 95). (a) Find the mean. (b) Find the standard deviation. (c) Find the probability that a score will be less than 75. (d) Sketch the distrib...

Q: The target population is all students in your university. You wish

The target population is all students in your university. You wish to estimate the average current Visa balance for each student. How large would the university student population have to be in order...

Q: Suppose you want to study the number of e-mail accounts

Suppose you want to study the number of e-mail accounts owned by students in your statistics class. What kind of sample is it if you (a) survey each student who has a student ID number ending in an od...

Q: (a) Use Excel to make a scatter plot of these

(a) Use Excel to make a scatter plot of these vehicle data, placing Weight on the X-axis and City MPG on the Y-axis. Add titles and modify the default colors, fonts, etc., as you judge appropriate to...

Q: (a) Use Excel to make a scatter plot of the

(a) Use Excel to make a scatter plot of the following exam score data, placing Midterm on the X-axis and Final on the Y-axis. Add titles and modify the default colors, fonts, etc., as you judge approp...

Q: (a) Use Excel to make a scatter plot of the

(a) Use Excel to make a scatter plot of the data, placing Floor Space on the X-axis and Weekly Sales on the Y-axis. Add titles and modify the default colors, fonts, etc., as you judge appropriate to m...

Q: (a) Use Excel to prepare a line chart to display

(a) Use Excel to prepare a line chart to display the lightning death data. Modify the default colors, fonts, etc., as you judge appropriate to make the display effective. (b) Describe the pattern, if...

Q: The time required to cook a pizza at a neighborhood pizza joint

The time required to cook a pizza at a neighborhood pizza joint is normally distributed with a mean of 12 minutes and a standard deviation of 2 minutes. Find the time for each event. Show your work....