Carry out a hypothesis test for suspicion

Assignment Help Basic Statistics
Reference no: EM13156311

A car leasing firm's records indicate that the mean number of miles driven annually in its cars has been about 12750 miles. The firm suspects that this number has decreased this past year. Suppose that the firm wishes to choose a small sample of driving distances from the past year and carry out a hypothesis test for its suspicion. State the null hypothesis and the alternative hypothesis that it would use for this test.
Ho :
H1 :

Reference no: EM13156311

Questions Cloud

State a concise hypothesis that explains the results : In corn, the genes for tassel length (alleles T and t) and rust resistance (alleles R and r) are known to be on separate chromosomes. In the course of making routine crosses, a breeder noticed that one T / T ; R / r plant gave unusual results in a..
Explain the simultaneous origin of turner syndrome : A woman with Turner syndrome is found to be colorblind (X-linked recessive phenotype). Both her mother and her father have normal vision. a. Explain the simultaneous origin of Turner syndrome and colorblindness by the abnormal behavior of chromoso..
In what ways has the us system been affected : In what ways has the U.S. system been affected (positively and negatively) by these regulations?
Partial balance sheet-bonds and interest payable : Prepare a partial balance sheet showing the presentation of bonds and the interest payable at December 31, 2001
Carry out a hypothesis test for suspicion : The past year and carry out a hypothesis test for its suspicion. State the null hypothesis and the alternative hypothesis that it would use for this test.
What is the most likely explanation for this inability : A fruit fly was found to be heterozygous for a paracentric inversion. However, it was impossible to obtain flies that were homozygous for the inversion even after many attempts. What is the most likely explanation for this inability to produce a h..
Plasma protein production decreases : What will happen to the GFR and urine output if plasma protein production decreases (due to hepatitis, cirrhosis, or dietary protein deficit)?
Use chebyshev-s theorem to determine percent of values : Use Chebyshev's theorem to find what percent of the values will fall between 120 and 150 for a data set with mean of 135 and standard deviation of 7.5.
What is the dominant source of capital funding in the us : What is the dominant source of capital funding in the United States? Given this result and the fact that most corporations are net borrowers, what decisions must most managers face in order to address this financial deficit?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Testing for linear correlation

Testing for a linear correlation. Construct a scatter plot, find the value of the linear correlation coefficient r, and find the critical values of r from the table below using a=0.05.

  Which is true with respect to conclusion reached

If the researcher deems the data to be statistically significant, which of the following is true with respect to a conclusion reached?

  Discussion of a regression analysis

What are the requirements that must be met for a regression analysis? What happens if these requirements are violated? Why is the analysis of residuals important?

  What is the decision rule and value of the test statistic

At the .10 significance level, can we conclude that less than 88 percent of the orders are delivered in less than 10 minutes. What is the decision rule?

  Confidence interval for proportion-defective dolls

A shipment of 500 dolls is received by Panda Importers. The quality control manager selects a random sample of 75 to test. Five are bound to be defective. Construct a 90 percent confidence interval for the population proportion of defective dolls ..

  Difference between histogram and dot plot

Critically illustrate out the difference between a histogram and a dot plot. When might a dot plot be better than a histogram?

  Non parametric test-kruskal wallis test

Describe what you find then produce an ANOVA for the problem.

  Question on statistics-critical value

A sociologist wants to determine if the life expectancy of people in Africa is less than the life expectancy of people in Asia.

  Decision-maximizing expected value

The concessions manager at the Clemson vs. USC football game must decide whether to have the vendors sell sun visors or umbrellas. There is a 30% chance of rain

  Developing project network using aoa

Developing project network using AOA that determines completion times.

  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.

  Probabilities regarding house sales

A nationwide real estate company claims that its average time to sell a home is 57 days. Suppose it is known that the standard deviation of selling times is 12.3 days and that selling times are normally distributed.

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