A laptop computer manufacturer sells a computer with a particular configuration. The manufacturer conducted a study on purchase intentions of consumers for this particular laptop with varying potential attributes. From the study it was found that 45% of consumers wanted a faster processor. 55% wanted a larger screen and 40% want
BrainMass Solutions Available for Instant Download
A local beer company sells two types of beer, a regular brand and a light brand with 30% fewer calories. The company's marketing department follows its traditional strategy of targeting women beer drinkers with light beer and men beer drinkers with regular beer. To test the rationale for this strategy an intern at the company ra
The solution gives detailed steps on calculating the conditional probability under different conditions using contingency tables.
In a large accounting firm, the proportion of accountants with MBA degrees and at least 5 years of professional experience is 0.75 times the proportion of accountants with no MBA degree and less than 5 years of professional experience. Furthermore, 35% of the accountants in this firm have MBA degrees, and 45% have less than 5 ye
Please help to answer questions A-D in the attachment. For questions A and B, would you use the use the t-test two sample assuming equal variances function? If not, what would you use? I'm not sure what the graphical method is to answer question C. What is it and how do you create it? Please show your calculations in exce
Attached is an exercise on Simple Linear Regression with accompanying pdf files.
Please assist with the following question. Thanks in advance for your help! As players' salaries have increased, the cost of attending baseball games has increased dramatically. The file attached (BBCOST) contains the cost of four tickets, two beers, four soft drinks, four hot dogs, two game programs, two baseball caps, and t
Based on a survey of 1,000 adults by Greenfield Online and reported in a May 2009 USA Today Snapshot, adults 24 years of age and under spend a weekly average of $35 on fast food. If 200 of the adults surveyed were in the age category of 24 and under and they provided a standard deviation of $14.50, construct a 95% confidence int
The solution gives detailed steps on computing different terms on descriptive statistics including standard deviation, proportion, percentile, probability and sample size.
Question 1 1. A major U.S. automaker has determined that the city mileage for one of its new SUV models is normally distributed with a mean equal to 15.2 mpg. A report issued by the company indicated that 22 percent of the SUV model vehicles will get more than 17 mpg in the city. Given this information, what is the city mileag
Using the telephone numbers listed in your local directory as your population, randomly obtain 20 samples of size. I have attached these numbers in an excel sheet. From each telephone number identified as a source, take the fourth, fifth, and sixth digits. a. Calculate the mean of the 20 samples b. Draw a histogram showing the
2. Disk drives have been getting larger. Their capacity in now often given in terabytes (TB) where 1 TB = 1000 gigabytes, or about a trillion bytes. A survey of prices for external disk drives found the following data: Capacity (in TB) Price (in $) .080 29.95 .120 35.00 .200 299.00 .250 49.95 .320 69.95 1.0 99.00
20. Although controversial and the subject of some recent lawsuits, some human resource departments administer standard IQ tests to all employees. The Stanford-Benet test scores are well modeled by a Normal model with mean 100 and standard deviation 16. If the applicant pool is well modeled by this distribution, a randomly sele
The attached data resulted from an experiment that utilized a completely randomized design, Complete the ANOVA table. I have attached the answer in table format as well; I want to understand how the answers were obtained and also test the null hypothesis. Treatment 1 Treatment 2 Treatment 3 3.3 5.1
The solution gives detailed steps on computing mean, median, mode, variance, standard deviation, range, coefficient of variation, and Z scores and performing relevant analysis.
I need assistance with the problem below. Thanks in advance! The Chocolate Chip file contains the cost (in cents) per 1-ounce serving for a sample of 13 Choclate Chip Cookies. The data is as follows (also see the attached file labelled chocolate chip cookies that is the only file needed) 54 22 25 23 36 43 7 43 25 47 24
I need help with an hypothesis test with an unequal sample.
The following data represents the amount of soft drink in a sample of 50, 2 liter bottles (the data file with the info has also been attached): I need help: 1. Constructing a cumulative percentage distribution. 2. Based on the results of (a) and (b), does the amount of soft drink filled in the bottles concentrate around spe
An investment broker reports that the yearly returns on common stocks are approximately normally distributed with a mean return of 12.4 percent and a standard deviation of 20.6 percent. On the other hand, the firm reports that the yearly returns on tax-free municipal bonds are approximately normally distributed with a mean retur
Chapter 3 18 The U.S. Fish and Wildlife Service plans to study the fishing industry around Saginaw Bay. To do that, they decide to randomly select 5 fishing boats at the end of a randomly chosen fishing day and to count the numbers and types of all the fish on those boats. a) what kin
The solution gives detailed steps on calculating the z value for the data of normal distribution and type 1 and type 2 errors when performing hypothesis testing.
Please explain how to answer the two questions in the attached file. I have to show my work using excel functions. 1. If you use a 0.10 level of significance in a (two-tail) hypothesis test, what is your decision rule for rejecting a null hypothesis that the population mean is 500 if you use the Z test? 2. Do students at y
A study of four different types of egg housing systems was performed. The four egg housing systems were cage, barn, free range, and organic. In addition to housing system, the researchers also determined the weight class (medium or large) for each sampled egg. The data on whipping capacity (percent overrun) for the 28 sampled e
1. The following data set represents the repair costs (in dollars) for a random sample of 30 dishwashers. 41.82 52.81 57.80 68.16 73.48 78.88 88.13 88.79 90.07 90.35 91.68 91.72 93.01 95.21 95.34 96.50 100.05 101.32 103.59 104.19 105.62 111.32 117.14 118.42 118.77 119.01 120.70 140.52 141.84 147.06 (a) Find the point esti
Hi, I want the answers for: 1-The mean price of new homes from a sample of houses is $155,000 with a standard deviation of $15,000. The data set has a bell-shaped distribution. Between what two prices do 95% of the houses fall? Refer to the sample statistics of Exercise 5 and use z-scores to determine which, if any, of th
Question 3 State the null and alternative hypotheses for each of the following: a. You want to show an increase in buying and selling of single-family homes this year when compared with last year's rate. b. You are testing a new recipe for "low-fat" cheesecake and expect to find that its taste is not as good as traditional ch
See the attachments. Exercises 2.16, 2.20, 2.24, 2.26 (b, d) Exercises 4.10 (a,d), 4.14, 4.20, 4.24, 4.32, 4.42, 4.50.
Chapter 3 & 4 Sample Problems Chapter 3 5. GFK Roper Consulting conducts a global consumer survey to help multinational companies understand different consumer attitudes throughout the world. In India, the researchers interviewd 1000 people aged 13-65 . Their sample is designed so that they get 5
Chapter 7 Sample Problems 41. A company has recently replaced their e-mail server because previously mail was interrupted on about 15% of workdays. To see how bad the situation was, calculate the probablity that during a 5-day work week, there would be an e-mail interruption. A) On Monday and again on Tuesday?
Hi, I need your expertise on the questions attached. I appreciate your help!
If the manager of a paint supply store wants to estimate the mean amount of paint in a 1-gallon can to within +/- 0.004 gallon with 95% confidence and also assumes that the standard deviation is 0.02 gallon, what sample size is needed? Please answer in excel using functions.
In a survey of 1200 social media users, 76% said okay to friend co-workers, but 56% said it is not okay to friend co-workers. (Data extracted from "Facebook Etiquette at work," USA Today, March 24, 2010, p.1B). a. Construct a 95% confidence interval estimate for population proportion of social media users who would say it is
The solution gives detailed steps on calculating the probability for population proportion under different conditions.
Roper ASW conducted a survey to learn about American adults' attitudes toward money and happiness. 56% of the respondents said they balance their checkbook at least once a month. a. Suppose a sample of 400 American adults were taken. Show the sampling distribution of the proportion of adults who balance their checkbook at le
Your final project entails systematic extraction of decision-aiding insights from a dataset (SampleDataSet.xlsx) provided to you in the Doc Sharing area. The goal of this project is to provide you with hands-on experience in conducting and interpreting different types of statistical analysis. The focus of your analysis will be o