Confidence-interval of the true mean

Assignment Help Basic Statistics
Reference no: EM13105384

A food snack manufacturer samples 7 bags of pretzels off the assembly line and weighs their contents. If the sample mean is 12.7 oz. and the sample standard deviation is 0.40 oz., find the 95% confidence interval of the true mean.

Reference no: EM13105384

Questions Cloud

Ethical considerations when investigating specific crime : Write down the specific ethical considerations which need to be addressed when investigating specific crime? How can we decrease ethical problems involved in investigation of crimes you selected?
Confidence interval for customer satisfaction-testing : Quality Progress, February 2005, reports on the results achieved by Bank of America in improving customer satisfaction and customer loyalty by listening to the voice of the customer.
Develops more dependent on technology certain issues : As the world develops more dependent on technology certain issues may rise with contracts and the Statute of Frauds.
Explain why do you think cemex decided to exit indonesia : Explain why do you think Cemex decided to exit Indonesia after failed to gain majority control of Semen Grisk? Explain why is majority control so important to Cemex?
Confidence-interval of the true mean : A food snack manufacturer samples 7 bags of pretzels off the assembly line and weighs their contents. If the sample mean is 12.7 oz. and the sample standard deviation is 0.40 oz., find the 95% confidence interval of the true mean.
Calculate new mrp to improve the base mrp : Space Age Furniture Company The Space Age Furniture Company manufactures tables and cabinets to hold microwave ovens and portable televisions.
Explain what position should jim take : Illustrate what other factors are relevant to this issue? Explain how do the changes in assumptions mentioned by the other managers affect the proposal? Illustrate what position should Jim take? Explain why?
Confidence intervals for amount of student loans : A study of 25 graduates of four-year colleges by the American Banker's Association revealed the mean amount owed by a student in student loans was $14,381.
Virtue ethicist have to say about executive compensation : How would Milton Friedman need to recompense corporate executives? How would a utilitarian? A deontological thinker?

Reviews

Write a Review

Basic Statistics Questions & Answers

  True average repair time

Is there sufficient evidence for concluding that true average repair time exceeds 200 min? Carry out a test of hypotheses using a significance level of .05.

  Mean sales calls using analysis of variance

Using Analysis of Variance (ANOVA) test at 5% level if there are important differences in mean sales calls made across the three branches.

  Confidence interval-difference in proportion

Borst et.al. investigated the relation of ego development, age, gender, and diagnosis to suicidality among adolescent psychiatric inpatients.

  Show-up ratio of people booked tickets

State the hypothesis test (with the formula of test statistic) could be used to see if the show-up ratio of people booked tickets is larger than 0.7.

  Statement regarding cpm and pert

Which of these statements is NOT true about CPM and PERT?

  Above-average rates

A sample of 64 Atlanta consumers showed a mean quarterly water bill of $51 with a sample standard deviation of $12. At α = .05, does the Atlanta sample support the conclusion that above-average rates exist for this private water system?

  Computing production cost per unit

Analyst computes production cost per unit in each order and averages these to get $50.

  Sketching the distribution of sample means

Sketch the distribution of sample means for sample of n = 25 scores from this population.

  Randomized block anova test using excel

Using any present or past job related data, perform an ANOVA in either Excel or MegaStat. Write your null and alternate hypothesis. Post your ANOVA table. Interpret the results.

  Find the probability based on poisson distribution

On average a certain intersection results in 3 traffic accidents per month. What is the probability that for any given month at this intersection

  Computing test statistic and decision

Conduct the following test using 95% level of confidence.

  Probability notation

What is a probability notation? What are the advantages and disadvantages of using a probability notation? How does probability notation aid in decision making?

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