Number of hours between break-downs for machines

Assignment Help Basic Statistics
Reference no: EM13104178

Given the following number of hours between breakdowns for 4 machines, are the machines significantly different? If so, how are they different? Which machine is the best? Which machine is the worst? You are to perform a thorough and complete analysis of the data. Use alpha = .05 for all tests. The data is shown below and given in the Excel spreadsheet named Problem 1

Machine 1   Machine 2     Machine 3      Machine 4

6.4                  8.7                11.1               9.9
7.8                  7.4                10.3              12.8
5.3                  9.4                  9.7              12.1
7.4                 10.1               10.3              10.8
8.4                   9.2                 9.2              11.3
7.3                   9.8                 8.8              11.5

Reference no: EM13104178

Questions Cloud

Estimating lowest cost : An organization is considering three process configuration options. There are two different intermittent processes, as well as a repetitive focus. The smaller intermittent process has fixed costs of $3,000 per month, and variable costs of $10 per uni..
Knowledge about decision tree : An electric power trading company has an option to buy 1,000,000 terawatts of electricity from a producer for $10 per terawatt. Other electric power trading companies have received this option and the company knows a decision must be made quickly.
Finding the crossover point : A product is currently made in a process-focused shop, where fixed costs are $9000 per year and variable cost is $50 per unit. The firm is considering a fundamental shift in process, to repetitive manufacture.
Characteristics of team affect to make ineffective decisions : Why is this group a team? Write down characteristics of team predispose it to making ineffective decisions? Write down the characteristics of group-think which are manifested in worm team?
Number of hours between break-downs for machines : Given the following number of hours between breakdowns for 4 machines, are the machines significantly different? If so, how are they different? Which machine is the best? Which machine is the worst?
What would their separation distance : Suppose the charge of one is increased by twenty seven times while the charge of the other is reduced to one-third its initial value. What would their separation distance have to be changed to in order to keep the force between them the same?
Calculating total cost of crashing the project : Three activities are candidates for crashing on a project network for a large computer installation (all of course are critical).
Compute the standard deviation : An instructor allows students to take an exam as many times as needed until the student obtains a passing grade. The following is a record of the number of students in a class of 20 who took the test and the number of tests taken in order to obtain a..
Estimate the total crashing cost : The following is a table of activities associated with a project at Bill Figg Enterprises, their durations and what activities each must precede and the crash cost to reduce duration per week.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability that the next customer fills the tank

Of those customers using extra unleaded or premium gas, 60% fill their tanks. What is the probability that the next customer fills the tank?

  Employee satisfaction survey

You're designing a survey to assess employee satisfaction. Provide a question that will produce: Develop five demographic questions to measure gender, age, years of experience, level of education, and ethnicity.

  Appropriate kind of hypothesis test

We would like to test if the proportion of respondents that support the health care bill is less than 50% (a) what kind of hypothesis test is appropriate?

  Determining property of standard normal distribution

Determine the special property of standard normal distribution, compared to other normal distributions?

  Different values of the standard deviation

Testing for population mean - What happens as you use different levels of significance?  Different values of the standard deviation?

  Probability of being satisfactory

If she performs 15 demonstrations this week, what is the probability of her being satisfactory? What is the probability of between 4 and 8 (inclusive) orders?

  Determining confidence interval for mean weight

Using sample, determine a 98% confidence interval for mean weight of whole daily output.

  Whether each of the following statements is true or false

If we repeated this procedure many, many times, only 5 percent of the 95 percent confidence intervals would fail to include the mean Math SAT score of the population of all students at this college.

  Method of least squares model

Use the method of least squares to model the relationship between x and y.

  Mean annual household consumption

Determine the mean annual amount spent on household consumption per family with a sample of 100 families, an average amount of $8,000 spent, and if the population standard deviation is $500,

  Model assumptions for a regression model

Fitting of multiple linear regression equation - Give a list of the model assumptions for a regression model.

  Probability that a randomly selected student will pas exam

Students need a score of 60 points to pass the exam. What is the probability that a randomly selected student will pas the exam? (P(X ≥ 60))

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