Stats Help for College-level Students

Factor analysis

For the following set of data determine whether it is appropriate to perform Factor analysis (check all necessary statistical tests, and residuals.)

statistics

The time taken to install bumpers on cars passing through a particular assembly line is normally distributed with mean time u=2.00 minutes and standard deviation =36 minutes. A sample on n=100 is obtained and a mean bumper installation time X-bar will be calculated. 1. Find the value of standard deviation X bar. Determine th ...continues

Game theory question on pricing

11. Coca-Cola and Pepsi Co are the leading competitors in the market for cola products. In 1960 Coca Cola introduced Sprite, which today is the worldwide leader in the lemon-lime soft drink market and ranks 4th among all soft drinks worldwide. Prior to 1999, PepsiCo did not have a product that competed directly against Sprite ...continues

Under what conditions could trigger strategies be used by these firms to support the collusive level of advertising? Identify the costs that are relevant for your decision, and then determine whether Gear Net should produce 250 hubs or 500 hubs.

15. At a time when demand for ready-to-eat cereal was stagnant, a spokesperson for the cereal maker Kellogg’s was quoted as saying, “… for the past several years, our individual company growth has come out of the other fellow’s hide.” Kellogg’s has been producing cereal since 1906 and continues to implement strategies that make ...continues

1) How many poker hands are possible? How many different hands consisting of three kings and two queens are possible? Calculate the probability of being dealt a full house. 2) Determine the probability that the number of defective TVs obtained by the engineer is: Exactly one.

4.112 Poker. A poker hand consists of 5 cards dealt from an ordinary deck of 52 playing cards. a. How many poker hands are possible? b. How many different hands consisting of three kings and two queens are possible? c. The hand in part (b) is an example of a full house: 3 cards of one denomination and 2 of another. How many ...continues

Permutation, combination, probability

1. How many ways are there to choose 5 items (with repetition) from among 7 varieties? Explain, as precisely as possible, why we should not factor out by the number of arrangements of the 5 choices. ( Don't prove that the answer is wrong-we already did that- explain why it's wrong, i.e., why we shouldn't factor out by r!) It mig ...continues

A Decision Tree

Details: An electric power trading company has an option to buy 1,000,000 terawatts of electricity from a producer for $10 per terawatt. Other electric power trading companies have received this option and the company knows a decision must be made quickly. The company estimates it can sell the electricity for $14 per terawatt if ...continues

Statistics

1) A test has the following properties: mean = 100, S.D. = 15, and r = .74. An individual has obtained a score of 85 on this test. Compute his or her SEM (standard error of measurement) and determine the scores that would be needed to develop a 95% confidence interval for this specific individual. 2) For the data listed be ...continues

Regression Analysis

Please review my project that I need to present to class I see that I would Reject Ho on all variables. I would like to state something significant about my work, professor gave 30 data lines no more than 4 variables as a project but did not discuss the Regression portion that much. I would like further detail to put in my attac ...continues

Determining the reorder point and the optimal number

East value Distributors distributes industrial valves and control devices. The Eastern Valve Co. Has an annual demand of 20000 units and cost of $90 per unit. The cost of ordering is $100 per order and inventory-carrying cost is estimated to be 5 percent of the cost of each value. Lead-time is four working days. Determine(a ...continues