Determining the value of the test statistic

Assignment Help Basic Statistics
Reference no: EM131555592

A coin-operated drink machine was designed to discharge a mean of ounces of coffee per cup. In a test of the machine, the discharge amounts in randomly chosen cups of coffee from the machine were recorded. The sample mean and sample standard deviation were ounces and ounces, respectively. If we assume that the discharge amounts are normally distributed, is there enough evidence, at the level of significance, to conclude that the true mean discharge, , differs from ounces?Perform a two-tailed test.

Find the null hypothesis, the alternative hypothesis, the type of test statistic, the value of the test statistic, and the p-value

Reference no: EM131555592

Questions Cloud

Why did the fed feel need to keep credit markets functioning : Why did the Fed feel the need to keep credit markets functioning? Why did Fed's actions make it uncomfortable? What is your opinion of wisdom of Fed's actions?
Estimate of the population mean amount spent : Construct and explain a 95% confidence interval estimate of the population mean amount spent per couple for dinner.
Classify the nature of the origin as an attractor : Make a change of variable that decouples the equation x' = Ax. Write the equation x (t) = Py (t) and show the calculation that leads to the uncoupled system.
Expected return of the minimum risk portfolio constructed : What is the expected return of the minimum risk portfolio constructed from the Growth & Income funds?
Determining the value of the test statistic : Find the null hypothesis, the alternative hypothesis, the type of test statistic, the value of the test statistic, and the p-value
Define the function of the hcos board : Define the function of the HCO's board. Explain its independence from the organization and its oversight responsibilities.
Hypothesis and the alternative hypothesis : State the null hypothesis and the alternative hypothesis that we would use for this test.
Develop trust in communicating corporate ethics : Explain how leaders and managers can overcome obstacles and develop trust in communicating corporate ethics.
Why management of quality and quality control is important : Explain why the Management of Quality and Quality Control is so important? How does it impact business and customers? What could go wrong if it is not correct?

Reviews

Write a Review

Basic Statistics Questions & Answers

  The widget are randomly selected without replacement and

a manufacturer of widget will accept a box of widgets is 10 of the widget are randomly selected without replacement

  Find number of classes from sample using sturge-s formula

Suppose you are to analyze the ages of 377 randomly selected employees, ranging from 26 to 58. Using Sturge's formula, find the appropriate number of classes from the sample.

  Determine the mean decay rate

Suppose we are interested in mean decay rate of a compound in the Mill River. Determine the mean decay rate is greater than 3.0 per day. When you test a random sample of size 15, the sample mean decay rate is 3.15. If an assumed known standard dev..

  Perform an anova test and state the results

1) Ace Car Rental has three main models that are used in it midsize range of cars. The cars are very similar and perform at about the same level. Since the customer has to pay for the gas use during the rental period, the manager is often asked about..

  Normal distributions-distribution of sums

A straight rod is formed by connecting three sections A, B and C, each of which is manufactured on a different machine. The length of section A, in inches has a normal distribution with mean 20 and variance 0.04.

  Observations results in the least-squares regression

A computer analysis of 30 pairs of observations results in the least-squares regression equation yˆ 5 14.0 1 5.0x, and the standard deviation of the slope used in testing whether the population coefficient of correlation could be zero?

  To describe the distribution using box-plot and histogram

Explain the effect outliers can have on the analysis of the center of this data set.  Based on the box-plot and histogram you created for problem 1, do there appear to be any outliers?

  What is theprobability that at least one letter ended up in

Let A, B, C be three events such that P(A) = 0:5, P(B) = 0:6, P(C) = 0:8(a) Can any two of these events be mutually exclusive? Explain your conclusion

  Write out the multiple regression equation

Thompson Machine Works purchased several new, highly sophisticated machines. The production department needed some guidance with respect to qualifications needed by an operator. Four variables were listed.

  What is the standard deviation of the sampling distribution

What is the standard deviation of the sampling distribution of the proportion of sixes?

  Find the mean and median

For the following stock price one-year percentage changes, plot the data and identify any outliers. Find the mean and median.

  Representing the ratio scale of measurement

Could this information be viewed as representing the ratio scale of measurement? If so , explain why. If not, why not.

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