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RES 342 Good Collection - Complete Test Bank - Three Sets

 
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RES 342 Good Collection - Complete Test Bank - Three Sets

 
Posted On : 05-05-2012
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  RES 342 Good Collection - Complete Test Bank - Three Sets

RES 342 Week 5 LATEST MCQ's(More than 100) in Three Sets. Please lookout for your question by following the serial of the Set that is Set 1 first and then 2 then 3.

These are only the sample questions though there are more than 100 but all cannot be pasted 

Analysis of variance is used to 

Given the following Analysis of Variance table for three treatments each with six observations.

If the paired differences are normal in a test of mean differences, then the distribution used for testing is the

Two accounting professors decided to compare the variance of their grading procedures. To accomplish this they each graded the same 10 exams with the following results:

A random sample of 16 companies was selected and asked for their annual dividend rate in three different industries: utilities, banking, and insurance. The ANOVA comparing the mean annual dividend rate among three industries rejected the null hypothesis. The Mean Square Error (MSE) was 3.36. The following table summarized the results:
   Based on the comparison between the mean annual dividend for companies in the utilities and insurance industries, 


A survey of hotels found that the average hotel room rate in New Orleans is $88.42 and the average room rate in Phoenix is $80.61. The survey sampled 50 hotels in each city. The standard deviations were $5.62 and $4.83, respectively. At alpha=.05, it can be concluded that there is a significant different in the rates?

The accountant for Thomas’s Furniture Store is concerned regarding the outstanding receivable owed the company. There has been a cash flow problem and it is believed that the slow collection of accounts receivable is partially the blame. The accountant believes that 40% of the present accounts are more than 4 months behind in making payments. To be able to make a decision regarding this belief, a random sample of 100 accounts was taken. It was found that 37 accounts were more than 4 months late. Did the sample data confirm the accountant’s belief? Use the .05 significant level for the statistical test.

One hundred women were polled and 60 reported successfully communicating an automobile problem to an auto repairman. A sample of 150 men had 95 reporting the same success. The value of the test statistic for a test of the equality of proportions is

For a hypothesis test of a single population mean at 95% confidence level, a calculated Z score of 1.7 supports the conclusion that

A survey of hotels found that the average hotel room rate in New Orleans is $88.42 and the average room rate in Phoenix is $80.61. The survey sampled 50 hotels in each city. The standard deviations were $5.62 and $4.83, respectively. At alpha=.05, it can be concluded that there is a significant different in the rates

Weekly sales of iPods® at 20 Best Buy® stores are compared before and after installing a new eye-catching display. To determine if the display is effective in increasing sales, what type of statistical test would you perform

If the paired differences are normal in a test of mean differences, the distribution used for testing is the

The accountant for Thomas's Furniture Store is concerned regarding the outstanding receivable owed the company. There has been a cash flow problem and it is believed that the slow collection of accounts receivable is partially the blame. The accountant believes that 40% of the present accounts are more than 4 months behind in making payments. To be able to make a decision regarding this belief, a random sample of 100 accounts was taken. It was found that 37 accounts were more than 4 months late. Did the sample data confirm the accountant's belief? Use the .05 significant level for the statistical test.

 

New college business graduates are finding it difficult to get a job. A business journal has reported that only one in five graduates is able to find a job within 6 months of their graduation. A report by University of Phoenix indicated that out of a survey of 300 recent business graduates, 75 had jobs. You are a business major at University of Phoenix and have a concern about getting a job. Based on this data, will a graduate of University of Phoenix have a better chance of getting a job in the first 6 months after graduation? Use the .05 significant level for the test. a�/:e�4�; so-fareast-font-family:"Times New Roman";mso-bidi-font-family:"Times New Roman"; color:#666666;mso-ansi-language:EN-US;mso-fareast-language:EN-US;mso-bidi-language: AR-SA'>

Mr. Thomas owns three different restaurants in Cincinnati, Ohio. He is concerned about the profitability of the restaurants. There are monthly differences between the restaurants and he wants to determine if the differences in profit are significant. Mr. Thomas wants to do a statistical test to see if he should

concerned. The best test to address this problem would be

 

Sound engineers studied factors that might affect the output, in decibels, of a rock concert's speaker system. The desired level of significance was a = .05. The results of their ANOVA tests are shown:

 

 

 

Totto, an automobile manufacturer, has designed a radically new engine and wants to recommend the grade of gasoline that will have the best fuel economy. The four grades are regular, below regular, premium, and super premium. The test car made three trial runs on the test track using each of the grades and the miles per gallon were recorded. At the 0.05 level, what is the critical value of F used to test the hypothesis that the miles per gallon for each fuel are the same?

Nonparametric statistics are used when

The nonparametric test most commonly used for testing the statistical independence between two variables is

Rachael Smith is the personnel manager at Johnson and Johnston, an accounting firm. She is concerned about absenteeism, which seems to be an increasing problem, especially after days off work. She decided to sample the records to determine if absenteeism was distributed evenly throughout the 6-day work week. The null hypothesis to be tested was: Absenteeism is distributed evenly throughout the week. The sample results were:

A public opinion poll surveyed a simple random sample of voters. Respondents were classified by gender and by voting preference-Republican, Democrat, or Independent. The results follow.

What parametric test is equivalent to the nonparametric Spearman's rank test?

Michelle used a sample of 50 U.S. cities to estimate the relationship between crime, or annual property crimes per 100,000 persons, and income, or median income per capita. Her estimated regression equation was crime = 428 - .01 income. Assuming her model is statistically significant, if income decreases by $1,000, we would predict that crime will

In the least squares equation, Y' = 12 + 25X the value of 25 indicates

A manufacturer of automobile transmissions uses three different processes. Management ordered a study of the production costs to see if there is a difference among the three processes. A summary of the findings is shown below.
A random sample of 16 companies was selected and asked for their annual dividend rate in three different industries: utilities, banking, and insurance. The ANOVA comparing the mean annual dividend rate among three industries rejected the null hypothesis. The Mean Square Error (MSE) was 3.36. The following table summarized the results:
 Based on the comparison between the mean annual dividend rate for companies in the utilities and banking, the 95% confidence interval shows an interval of 1.28 to 6.28 for the difference. This result indicates that 
A large department store examined a sample of the 18 credit card sales and recorded the amounts charged for each of three types of credit cards: MasterCard, Visa and Discover. Six MasterCard sales, seven Visa and five Discover sales were recorded. The store used an ANOVA to test if the mean sales for each credit card were equal. What are the degrees of freedom for the F statistic? 

When testing for differences between treatment means, the t statistic is based on: 

 

 
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