Estimate mean and standard deviation of advertising expense

Assignment Help Basic Statistics
Reference no: EM13154192

Advertising expenses are significant component of the cost of goods sold. Listed below is a frequency distribution showing the advertising expenditures for 60 manufacturing companies located in the Southwest. Estimate the mean and the standard deviation of advertising expense.

Advertising expenses are significant component of the cost of goods sold. Listed below is a frequency distribution showing the advertising expenditures for 60 manufacturing companies located in the Southwest. Estimate the mean and the standard deviation of advertising expense.

Advertising Expenditure
($ millions) Number of Companies
25 up to 35 5
35 up to 45 10
45 up to 55 21
55 up to 65 16
65 up to 75 8
Total 60

Reference no: EM13154192

Questions Cloud

Find probability respondent said team in rose bowl : What is the probability that a respondent said neither the Big Ten nor the Pac-10 will have a team in the Rose Bowl?
What an auto worker at general motors makes today? : In January 1914, Henry Ford startled the world by announcing that Ford Motor Company would pay $5 a day to its workers. At the time, $5 was about double what the average auto worker made.
Calculate the value of work for system : Calculate the value of w (work) for the following system if 20.2 g of NaN3 reacts completely at 1.00 atm and 22 °
What other health coverage options should ridpaths consider : Which plan would you recommend that the Ridpaths choose? Why? What other health coverage options should the Ridpaths consider?
Estimate mean and standard deviation of advertising expense : Distribution showing the advertising expenditures for 60 manufacturing companies located in the Southwest. Estimate the mean and the standard deviation of advertising expense.
Explain what is the equilibrium concentration : At equilibrium, the concentration of [H2]= 0.6 M. What is the EQUILIBRIUM concentration for [H2],[I2]and [HI]? H2(g) + I2(g) 2 HI(g) [HI] =
Explain the accounting principle : Explain the accounting principle(s) that required Amber to record the $42.7 million charge in 2006 and the $12.1 million reversal in 2009.
Draw their budget set in housing-other goods space : Draw their budget set (the combination of housing and other goods that they can afford) in housing-other goods space
Chemical reactions are typically faster when a catalyst add : Chemical reactions are typically faster when a catalyst is added. This is because... 1. Molecules are moving faster when a catalyst is added

Reviews

Write a Review

Basic Statistics Questions & Answers

  Hypothesis testing of mean-p-value method

Use the p value method to determine whether or not to accept or reject the null and alternate hypotheses.

  Hypothesis testing for single proportion

Be sure the appropriate assumptions and conditions are satisfied before you proceed.

  Confidence-interval with a margin for error

How large a sample size will need to be selected if we wish to have a 99% confidence interval with a margin for error of .25 hours?

  Five step hypothesis test-correlation

Consumer Reports magazine tested paints. The table below shows the overall quality score and cost in dolllars per gallon. Test for a correlation. Based on these results, do you get better quality paint by paying more?

  Prediction of risk for strock from regression model

A 10 year study by the American Heart Association provided data on how age, blood pressure and smoking relate to the risk of strokes.

  Sampling distribution-proportion of first-time customers

The president of Doerman Distributors, Inc., believes that 30% of the firm's orders come from first-time customers. A random sample of 100 orders will be used to estimate the proportion of first-time customers. Assume that the president is correct..

  Probability selected cell phone bill is between given value

Suppose local monthly cell phone bills are normally distributed with a standard deviation $12. What is the probability that a randomly selected cell phone bill is between $30 and $55?

  Computing sample size

What minimum sample size will be required if they want to be 99% confident that the sample proportion will not differ from the true population proportion by more than 5%?

  Hypothesis testing on maintence cost

An Electric Co. Operates a fleet of trucks that provide electrical service to the construction industry. Monthly mean maintenance cost has been $75 per truck.

  Recognizing major flaws in survey

It was reported that 20 readers responded and 87% said "no" while 13% said "yes." Recognize 4 major flaws in this survey.

  Find the probability using normal distribution

Based on the model N(1152,84) describing Angus steer weights, what are the cutoff values for.

  Probability density of the net weight in ounces

The probability density of the net weight in ounces of a packaged compound is f(x)=2.0 for 19.75

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd