Math Homework

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I have a prob I need help with. Do you want to own your own
Do you want to own your own candy store? Wow! With some interest in running your own business and a decent credit rating, you can probably get a bank loan on startup costs for franchises such as Candy Express, The Fudge Company, Karmel Corn, and Rocky Mountain Chocolate Factory. Startup costs (in thousands of dollars) for a random sample of candy stores are given below. Assume that the population of x values has an approximately normal distribution. 90 177 128 96 75 94 116 100 85 (a) Use a calculator with mean and sample standard deviation keys to find the sample mean startup cost x and sample standard deviation s. (Round your answers to one decimal place.) x = thousand dollars s = thousand dollars(b) Find a 90% confidence interval for the population average startup costs μ for candy store franchises. (Round your answers to one decimal place.) lower limit thousand dollars upper limit thousand dollars … read more
Ryan
Bachelor's Degree
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a Find (on the output) and report the values of b1, b2, and
a Find (on the output) and report the values of b1, b2, and b3, the least squares point estimates of β1, β2, and β3. Interpret b1, b2, and b3 . b Consider a questionable hospital for which XRay = 56,1… read more
Chirag
Master's Degree
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an economist is interested in studying the incomes of consumers
an economist is interested in studying the incomes of consumers in a particular region. the population standard deviation is known to be 1000. a random sample of 50 individuals resulted in an average … read more
Chirag
Master's Degree
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Mean Standard Deviation N Lower Class 11.46 3.58 72 Working
Mean Standard Deviation N Lower Class 11.46 3.58 72 Working class 12.80 2.77 452 Middle Class 14.08 3.35 443 Upper Class 15.34 3.48 35 a) Construct the 95% confidence interval for the mean number of y… read more
Chirag
Master's Degree
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Hello again! The average expenditure on a specific holiday
Hello again! The average expenditure on a specific holiday is expected to be \$100.89 per person. A study is done on male and female consumers. In a sample survey of 40 male consumers, they spent an av… read more
R.R. Jha
Bachelor's Degree
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The standard deviation of test scores on a certain achievement
The standard deviation of test scores on a certain achievement test is . A random sample of scores on this test had a mean of . Based on this sample, find a confidence interval for the true mean of al… read more
Chirag
Master's Degree
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The trade volume of a stock is the number of shares traded
The trade volume of a stock is the number of shares traded on a given day. The following data in millions represent the volume of a certain stock traded for a random sample of 40 trading days in 2007.… read more
Chirag
Master's Degree
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The trade volume of a stock is the number of shares traded
The trade volume of a stock is the number of shares traded on a given day. The following data in millions represent the volume of a certain stock traded for a random sample of 40 trading days in 2007.… read more
dhouse1940
Retired
Master's Degree
625 satisfied customers
i need help Interpret the Results of this particular breakdown
i need help Interpret the Results of this particular breakdown please help need as soon as possible Regression Statistics Multiple R 0.022801026 R Square 0.000519887 y=35.762=0.0207 Adjusted R Square … read more
Chirag
Master's Degree
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I have a couple statistic questions. Heres the first It
I have a couple statistic questions. Here's the first: It is assumed that the lifetime (in hours) of light bulbs produced in a factory is normally distributed with mean μ and standard deviation σ. To … read more
rajeevanpillai
Master's Degree
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Use the confidence level and sample data to find a confidence
Use the confidence level and sample data to find a confidence interval for estimating the population µ. Round your answer to the same number of decimal places as the sample mean. Test scores: n = 105;… read more
Chirag
Master's Degree
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Accu-Copiers, Inc. sells and services the Accu-500 copying
Accu-Copiers, Inc. sells and services the Accu-500 copying machine. As part of its standard service contract, the company agrees to perform routine service on this copier. To obtain information about … read more
Chirag
Master's Degree
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I have a one-way repeated-measures ANOVA question plus several
I have a one-way repeated-measures ANOVA question plus several other stats questions I need help with. Let me know when ready and I will post screen shot.… read more
Stevewh
Teacher
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How do I construct a confidence interval for this question
How do I construct a confidence interval for this question? In a fertility clinic 30 women and 30 men were asked what was their desired number of children. The results were as follows: Women Men Mean … read more
Tom Piscaer
Master's Degree
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The length of time to do a complete full service oil change
The length of time to do a complete full service oil change at Speedy-Lube, is normally distributed with a mean of 15.8 minutes and a standard deviation of 2.2 minutes. Refer to Table 5C on the Final … read more
Scott
Master's Degree
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One last question with that same spreadsheet Test for the
One last question with that same spreadsheet: Test for the Monday effect using the Russell 2000 from 1987. Interpret your results.… read more
Doctoral Degree
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1) 99% confidence interval estimate for a population mean was
1) 99% confidence interval estimate for a population mean was computed to be (32.6 to 46.0). Determine the mean of the sample, which was used to determine the interval estimate (show all work). 2) stu… read more
R.R. Jha
Bachelor's Degree
6,465 satisfied customers
Is there anyone who knows Business Statistics If so, I just
Is there anyone who knows Business Statistics? If so, I just need a refresher. I need to remember how to analyze simple and multiple regression. I need to be refreshed of the following: 1) Multiple R … read more
Greg
Master's Degree
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