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Central Tendency

Plot this data, examine the plot.

A/Plot this data, examine the plot. Does this view of data suggest a particular smoothing model? Do the data appear to be seasonal? Explain. b/Use a smoothing method to forecast the four quarters of 2005. Plot the actual and forecast values. If you can use software ForcastX that will be good.

Quantitative Methods for Manufacturing Capacity

Q9. The following data represents 15 quarters of manufacturing capacity utilization (in percentages) Quarter/Year Quarter/year Utilization 1/2000 82.5 1/2002 78.8 2/2000 81.3 2/2002 78.7 3/2000 81.3 3/2002 78.4 4/2000 79.0 4/2002 80.0 1/2001 76.6 1/2003 80.7 2/2001 78.0 2/2003 80.7 3/2001 78.4 3

Expected Value and Standard Deviation.

Myers Business Systems is evaluating the introduction of a new product. The possible levels of unit sales and the probabilities of their occurrence are given below: Possible Sales Market Reaction in Units Probabilities Low response . . . . . . . . . . . . . 20 .10 Moderate response . . . . . . . . . 40 .30 High response .

Expected Values, Negative Binomials and Maclaurin Series

Consider the experiment of observing a sequence of Bernoulli trials until exactly r successes occur. Let the r.v. X denote the number of trials needed to observe the rth success. The r.v. X is known as the negative binomial r.v. with parameter p, where p is the probability of a success at each trial. The pmf of the negative b

Convert the score of 88 to a standard score.

Dear OTA, Please help me solving this problem.with the detailed steps. 1. Convert the score of 88 to a standard score. Draw the number line and place the score appropriately. mean=93.14,median=95, s=5.33 What % of students scored above 88 and what % scored below scores 80,83,85,88,90,91,92,93,93,93,95,96,96,96,97,97,97,

(a) calculate the mean (b) compare the mean and the median

3. Exercise 3 used ISSP date on the number of hours worked per week for a sample of 75 Japanese adults a. Calculate the mean for worked hours worked per week. b.Compare the value of the mean with those you have already calculated for the median. Without constructing a histogram, describe whether and how the

Finding Expected Value

Two different routes accommodate travel between two cities. Route A normally takes 60 minutes, and route B normally takes 45 minutes. If traffic problems are encountered on route A, the travel time in ...there is moreshow problemTwo different routes accommodate travel between two cities. Route A normally takes 60 minutes, and ro

Statistical Analysis of Real Estate Data

Refer to the real estate Excel data set at: http://highered.mcgraw-hill.com/sites/0073030228/student_view0/index.html a. Select the variable selling price 1. Find the Mean, Median, and the standard deviation 2. Briefly summarize the distribution of the selling prices b. Select the Variable referring to the area of

Payoff Table and Calculations

The proprietor of the newly built White Mountain Ski and Swim Lodge has been considering purchasing or leasing several snowmobiles for the use of guests. The owner found that other financial obligations made it impossible to purchase the machines. Snowmobiles Incorporated (SI) will lease a machine for $20 a week, including any

Stats and forecasting

2. The U.S. Census Bureau publishes data on factory orders for all manufacturing, durable goods, and nondurable goods industries. Shown here are factory orders in the United States from 1987 through 1999 ($ billion). a. Use these data to develop forecasts for the years 1992 through 1999 using a 5-year moving average. b. Us


Given the following data on the number of pints of ice cream sold at a local ice cream store for a 6-period time frame: Period Demand 1 200 2 245 3 190 4 270 5 280 6 300 Compute a 3-period moving average for period 6. 298.55 267.42 242.67 246.67

Forecasting - period of time

Given the following data on the number of pints of ice cream sold at a local ice cream store for a 6-period time frame: Period Demand 1 200 2 245 3 190 4 270 5 280 6 300 Compute a 5-period moving average for period 7. Put your answer in the form xxx with no additional numbers or symbols.

Forecasting - demand for a product

The following data summarizes the historical demand for a product. Month Actual demand March 20 April 25 May 40 June 35 July 30 August 45 Use a four period moving average and determine the forecasted demand for August. Put your answer in the form xx.x with no additional numbers or symbols.

Proportions and Expected Profit

A company sells packages of tea bags. The number of tea bags per package vary as follows: Number of tea bags 98 99 101 103 Proportion of packages ?? .40 .30 .20 a. Find the missing proportion. b. What proportion of the packages contains at least 101 tea bags? c. Find the mean number of tea bags per pac

Network Flow & Programming Problems

1. If we wich to select a location for a new manufacturing plant, the best approach would be to use A. Zero-one integer programming. B. Mixed-integer programming. C. A goal programming model. D. An assignment model. 2. The shortest-route technique might be used for

Yield curve

1) a. Suppose you are considering two possible investment opportunities, a 12-year Treasury bond and a 7-year, A-rated corporate bond. The current real risk-free rate is 4%. Inflation is expected to be 2% for the next two years, 3% for the following four years, and 4% thereafter. The maturity risk premium is estimated by this fo

Payback and Internal Rate of Return

The management of Kitchen Shop is thinking of buying a new drill press to aid in adapting parts for different machines. The press is expected to save Kitchen Shop $8,000 per year in costs. However, Kitchen Shop has an old punch machine that isn't worth anything on the market and that will probably last indefinitely. The new pres

EOQ/Moving Averages/Trend Projections

Please assist our study group by correctly answering the following study questions: 1. Sensitivity analysis of EOQ refers to: a. the attitude of top management toward the use of the EOQ model b. an assessment of the impact of obsolescence upon the EOQ c. analysis of how much the EOQ will change when other variable c


1. The annual demand for a product is 1,000 units. The company orders 200 units each time an order is placed. The lead-time is 6 days, and the company has determined that 20 unites should be held as a safety stock. There are 250 working days per year. What is the reorder point? a. 20 b. 24 c. 44 d. 120 2. Mark A

Case Problem: "Forecasting Food and Beverage Sales"

The Vintage Restaurant is on Captiva Island, a resort community near Fort Myers, FL. The restaurant, which is owned and operated by Karen Payne, has just completed its third year of operation. During that time, Karen has sought to establish a reputation for the restaurant as a high-quality dining establishment that specializes i

CAPM and Expected Return on Market Portfolio

CAPM and Expected return. If the risk-free rate is 6 percent and the expected rate of return on the market portfolio is 14 percent, is a security with a beta of 1.25 and an expected rate of return of 16 percent overpriced or under priced?

Expected value of perfect information

The local operations manager for the IRS must decide whether to hire 1, 2, or 3 temporary workers. He estimates that net revenues will vary with how well taxpayers comply with the new tax code. low medium high # of workers compliance compliance compliance 1 50 50 50 2 100 60 20 3 150 70 -10 If he thinks the chances o

Estimate the seasonal index

An analyst wants to use the ratio-to-moving average method to forecast a company's sales for the next few quarters. Beginning in Quarter 4 of 2003, the analyst collects the following sales data (in millions of dollars). Estimate the seasonal index associated with Quarter 2. Round your answer to at least three decimal places.

Expected Value, Variance and Covariance of random variable

1. Say that E(X) = 10; and var(X) = 5. Find E(Y) and var(Y) in the following cases: a) Y = 0.37X - 3.79 b) Y = 0.37X + 5.73 c) Y = (3x^2+2)/4 d) Y = aX + b 2. Prove that: a) E(X^2) greater than equal to [E(X)]^2 (Hint: this follows immediately from the definition of the variance and from one of the properties of the v

Comparing different forecasting methods and choosing the best

Emily Andrews has invested in a science and technology mutual fund. Now she is considering liquidating and investing i another fund. She would like to forecast the price of the science and technology fund for the next month before making a decision. She has collected the following data on the average price of the fund during th