Statistics in the Media Discussion We hear and see statistics in the news all the time. Examples include statistics about crime rates, children killed by handguns, pool drownings, people struck by lightning, and causes of car accidents. Should we take them at face value? Is it true just because it is in the news? Another […]
Category Archives: Statistics
Discuss, using statistical terms, the fairness of the overtime rules-Does the data support fairness or not?
Is the NFL Coin Toss Fair? In 431 NFL football games that went to overtime, the teams that won the coin toss went on to win 235 of those games. Review the NFL Overtime Rules. If the coin toss method is fair, we expect that the teams winning the coin toss would win about 50% […]
Which of these graphs would you use to represent the daily number of sales over the past two years?
Question 1.NASA has picked up three messages from Proxima Centauri. After careful analysis, scientists have determined that “Flock Tecor Culdon” means “Missile Explosion Danger”, that “Edwan Mynor Tecor” means “Fire Danger on Board” and that “Culdon Gimilzor Zondor” means “Imminent Gas Explosion”. What is the meaning of the word “Flock”? missiles nobody danger explosion gas […]
Do the opposite operation of what has been done and then check your work.
Algebra Solving one-step equations. How do you solve one step equations? Do the opposite operation of what has been done and then check your work. Ex. x-9=5 Check. x-9=5 +9=+9 […]
Is the slope D related to the slope found in 1-How would you have expected the slopes to be related?
Linear algebra questions Exercise III (2 x 10 = 20 points) Consider the data points (-2, 3), (2,1), (3, —4), and (5, 2). Find the equation of the best fit line b = C + Dt. What if instead, for part 2., you had found the best-fit line t = C’ + Deb. Is the […]
Create a simple distribution graph (histogram) where we will explore the age of women after giving birth to their first child.
Summarizing Data Collected in a Defined Population Sample (Biostatistics) Critical Thinking Assignment This week we are learning about ordinal/categorical, continuous, and dichotomous variables. Using the Gestation Demographics SEU dataset that is located in the tabs at the bottom of the Framingham dataset provided, perform the following problems using R Studio or Excel. Create a simple […]
Which team won the higher proportion of gold medals?
Work out the amount of gold medals both teams won The medals won by two teams in a competition are shown below. a) Which team won the higher proportion of gold medals? b) Work out how many gold medals each team won. c) Which team won the higher number of gold medals?
Write an iterative solution for this same problem and compare its efficiency with this recursive solution.
Solving algorithm Given the following two functions: f(n) = 6n3 + 4n2 + 2 g(n) = 5n2 + 9 Use L’Hopital’s rule and limits to prove or disprove each of the following: f (g) g (f) Rank the following functions from lowest asymptotic order to highest. List any two or more that are of the […]
Compute the value of Altman’s Z-score for Delta Air Lines for each year from 2000 to 2004.
HW-Financial Ratios Delta Air Lines, Inc., is one of the largest airlines in the United States. It has operated on the verge of bankruptcy for several years. Table below presents selected financial data for Delta Air Lines for each of the five years ending December 31, 2000, to December 31, 2004. Delta Air Lines filed […]
How many pounds of liquid waste should be specially treated and dumped into the river?
Case study questions Skillings Industrial Chemicals, Inc., operates a refinery in southwestern Ohio near the Ohio River. The company’s primary product is manufactured from a chemical process that requires the use of two raw materials material A and material B. The production of 1 pound of the primary product requires the use of 1 pound […]
