User Account

All Pages

Confidence interval for the true average

Assignment Help Applied Statistics
Reference no: EM13330994

1. In a certain region of the country, average radar echo duration of lightning flashes is .61 sec and a standard deviation of .24 sec. Note, that these are population values. Calculate a 95% (two sided) confidence interval for the true average echo duration ? , for a random sample of 100 lightening flashes

Reference no: EM13330994

Questions Cloud

The states of oregon and washington : Douglas Boats is a supplier of boating equipment for the states of Oregon and Washington.
Advantages and disadvantages of forming the business : Provide a summary to the partners, outlining the advantages and disadvantages of forming the business as a partnership and the advantages and disadvantages of forming as a corporation
Explain water are present in one mole of anhydrous salts : A solid hydrate weighing 2.691g was heated to drive off the water. A solid anhydrous residue remained, which weighed 2.259g. If the anhydrous residue has a formula weight of 282, How much moles of water are present in one mole of anhydrous salts
Balance sheet of the contractor : A building contractor took a contract for the construction of a certain building on 1st January 1994. The contract price was agreed at Rs 4,00,000. The contractor had made the following expenditure during the year.
Confidence interval for the true average : In a certain region of the country, average radar echo duration of lightning flashes is .61 sec and a standard deviation of .24 sec. Note, that these are population values. Calculate a 95% (two sided) confidence interval for the true average ..
Determine the resistivity of the material : A material is formed into a long rod with a square cross section 0.59 cm on each side. What is the resistivity of the material
Compute the per cent water in the hydrate : A solid hydrate weighing 2.691g was heated to drive off the water. A solid anhydrous residue remained, which weighed 2.259g. Calculate the per cent water in the hydrate. If the anhydrous residue has a formula weight of 282
Does the sample provide sufficient evidence : Does the sample provide sufficient evidence that the mean pH level in the water differs from 8.5? Conduct a test at the ? = .01 level
How much work is done by this force : A variable force of the form F=3x2 + 2x + 5 N acts on a 2 kg object as it moves from x = 2 m to x = 3 m. How much work is done by this force

Reviews

Write a Review

Applied Statistics Questions & Answers

  Determine the stream function and plot the streamlines

Determine the stream function and plot the streamlines and Discretise the expression for the second derivative using the finite difference approach

  Is there a significant correlation

What test or tests would you use to rule out chance from causing the apparent differences in these data and is there a significant correlation?

  Estimate the model time series and cross-section

Explain what type of data you would use to estimate the model - time series, cross-section, or panel data and Identify the dependent variable and the independent variables

  What is the procedure for using mean and median

What are its mean and median and what is the procedure for using mean and median to determine whether the data is skewed, and if so, in what direction?

  What is the probability that the student gets exactly

And the rest of the people were from River City. Out of the sample, 19 people had some form of cancer. Thirteen of these people were from Laketown

  Developing a regression equation

Carry out a validation study, an I/O psychologist is developing a regression equation from data collected from those hired two years ago.

  What is the null hypothesis

Is the mean Hemoglobin level of a group of high-altitude workers different from 16g/cc and does the mean speed of 50 cars as checked by radar on a I-70 differ from 65mph?

  Describe the population of interest for the survey

Describe the population of interest for the survey

  Create a separate histogram for each day

Festival Histogram: Beginning with in the text on spotting outliers, correct the type in the data as directed - create a separate histogram for each day, Day1, Day2, and Day3, using the hygiene variable for all three days. Include the normal curve

  Compute all relevant summary statistics

You are expected to complete a project related to inferential statistics - show that the random variable X is exponential and compute the probability of the wait time when it is greater

  Calculate the total tax bill

Calculate the total tax bill for both low and high income individuals in both countries and fill in the table above with your results and what is the unemployment rate

  Perform the hypothesis test

What are the assumptions made in performing the hypothesis test in Question 3? Are these assumptions reasonable? Provide explanation to substantiate your view.

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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