Random sample of working days

Assignment Help Basic Statistics
Reference no: EM1395028

The following data represents the amount of time in minutes that a person had to wait for a bus to work on a random sample of 5 working days.

6 8 5 7 5

Construct a 98% confidence interval for the population mean of waiting times.

Reference no: EM1395028

Questions Cloud

Sample proportion from the preliminary sample : How large a sample should be selected in order to estimate the population proportion to within a margin of error of 0.02 with 97% confidence. The sample proportion from the preliminary sample was 0.18.
Nasa scheduling problem : Certo has complained that he was misrated on his January mission. Both ratings should be 10's, he claims to the chief, who agrees and recomputes the schedule. Do any changes occur over the schedule set in part (b)? What are the strengths and weakn..
Analyzing rate of ring flipping using nmr : The flipping of Phe rings requires that groups surrounding the ring move aside momentarily. The rate of ring flipping can be measured using NMR.
English writting- correct grammar : The first attempt was foiled by Hansel who collected stones the night before which he used to place on the ground to find his way back home. The second attempted was successful as the children where led father out, and couldn't find their way home..
Random sample of working days : The following data represents the amount of time in minutes that a person had to wait for a bus to work on a random sample of 5 working days.
Five data collection techniques : Describe five data collection techniques in your own words. Be sure to cite any sources you used. Explain why the examination of collected data is so important.
Determine what is the molar concentration of the nh3 : Explain how hydrodewaxing, hydrocracking and hydroisomeriztion processing take place In base oil refining and also describe how aromatics (low volatile products) are converted to high quality base oil.
Data collection and analysis paper : Use the Internet or other resources to collect both primary and secondary data regarding the research issue, opportunity, or problem you selected for your Research Process Outline during Week Two.
Differences between discrete and continuous data : What are some differences between discrete and continuous data? Is the measurement of money continuous or discrete? Explain. Can discrete data be analyzed using a normal distribution? Why or why not?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Mean from frequency distributions

Determine the estimated mean of the following frequency distribution. A sample of the amounts paid for parking on Saturday at the Downtown Parking Garage in Toronto was organized into the following frequency distribution.

  Calculate the value of the test statistic of the mean age

At the .01 significance level can we conclude the mean age is more than 8.4 years for the cars of university students? Compute the value of the test statistic.

  Calculate the test statistic value for population mean

A sample of 81 business managers on the West Coast had an average breakfast cost of $7.65. 13. At a = 0.05, what is the test value?

  Testing for two proportions

Testing for two Proportions - Is the difference between the averages statistically significant?

  Describe expected value of investment

Describe expected value (EV) of an investment if there is a 20% chance of realizing a return of $20,000 or a 55% chance of realizing a return of $25,000, or there could be a loss of $15,000?

  Appropriate inference method

If Weight 1 is the weight (in pounds) of a random sample of five men who were accepted as models, and Weight 2 is the weight (in pounds) of a random sample of five men who were rejected as models, which of the following is the appropriate inferenc..

  Example of a null and alternative hypotheses

What would be a good example of a null and alternative hypotheses for a decision relevant in life? What Type I and Type II errors could occur with your decision-making process?

  Example on multiple linear regression model

This model is fit to the data using the method of least squares using statistical software, and the following parameter estimates and their standard errors are obtained.

  Student team examined parked cars using alpha

Student team examined parked cars in 4 different suburban shopping malls. One hundred vehicles were studied in each location. Research question : At α = . 05.

  Binomial distribution-career of your choice

How would you use the binomial distribution in making a business decision during a normal day of work in the career of your choice?

  Scores for group-participation different from population

Does this sample give sufficient evidence to conclude that self-esteem scores for group-participation adolescents are significantly different from those of general population? Use two-tailed test with α = .01.

  Determining sampling with replacement

What is sampling with replacement, and why it is used?

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