Correct statistical decision using a two-tailed test

Assignment Help Basic Statistics
Reference no: EM13134169

A researcher conducts a hypothesis test to evaluate the effect of a treatment. The hypothesis test produces a z-score of z = -2.60. Assuming that the researcher is using a two-tailed test, what is the correct statistical decision.

Reference no: EM13134169

Questions Cloud

How many students expected to score in range : The mean is 75 and the standard deviation is 6. If 1200 students took the test, approx how many students would be expected to score between 69 and 81?
Explain conversion for a specific product : Conversion for a Specific Product, Indicate the reaction conditions you would employ to accomplish the following
Calculate the marginal propensity to consume : Calculate the Marginal Propensity to Consume - Furthermore you know that the marginal propensity to save (MPS)equals 0.4
Equipment and average cost of inventory : The payroll costs for the year were $100,000, and the accounting costs for the year totaled $50,000. The departments and the average cost of store equipment and average cost of inventory for each are as follows:
Correct statistical decision using a two-tailed test : The hypothesis test produces a z-score of z = -2.60. Assuming that the researcher is using a two-tailed test, what is the correct statistical decision.
Fact contributed to augustine''s conversion in his confession : • Describe and discuss the factors that contributed to Augustine's conversion in his Confessions.
Define compounds containing carbon-carbon triple bond : Compounds containing carbon-carbon triple bond undergo the Diels-Alder reaction. Formulate the product formed by the reaction
Date of consolidation : During the year, P sold goods to S for $85,800 at a mark-up of 25% on cost. 30% of these goods are still on hand at the date of consolidation.
Current ratio and return on assets ratio : A company's current assets are $150 and its' current liabilities are $100. If the company uses cash to retire notes payable due within one year, would this transaction increase or decrease the current ratio and return on assets ratio?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Area under standard normal curve

Determine the area under the standard normal curve between z = 0 and z = 3. Determine the area under the standard normal curve to the right of z = 1. Determine the area under the stanard normal curve to the left of z = 1.5

  Find p-value-interval containing p-value for test statistic

Test the manager's suspicion at the 5% level of significance. Find the P-value or an interval containing the P-value for the sample test statistic.

  Create confidence interval for true mean diameter of nickel

Construct a 99 percent confidence interval for the true mean diameter of a nickel. (c) Discuss any assumptions that are needed. (d) What sample size would ensure an error of ± 0.0005 inches with 99 percent confidence?

  Determining hypothesis testing and effect size

Describe what is measured by the estimated standard error in the bottom of the independent-measures t statistics.

  Body weight that is approximately normally distributed

Fawns Fawns among1 or 5 months old in Mesa Verde National Park have a body weight that is approximately normally distributed with mean

  Find probability that fewer patients are chain smokers

Calculate the probability that fewer than half of the patients are chain smokers. b) suppose that 20 patients with lung cancer are admitted to the hospital.

  Exponential and normal distributions

he Department of Motor Vehicles (DMV) can service customers at a rate of 20 per hour (or 1/3 per minute) when it comes to license renewals. The service time follows an exponential distribution.

  Statistic practitioner working for major league baseball

A statistic practitioner working for Major League Baseball determined the probability that the hitter will be out on ground balls is .75. in a game where there are 20 ground balls, find the probability that all of them were out.

  Electronic circuit board fails randomly with failure rate

An electronic circuit board fails randomly with failure rate of λ=0.00021 /h. When it fails it is replaced by a new board.

  Reporting the mean number of pages a cartridge will print

The manufacturer of a laser printer reports the mean number of pages a cartridge will print before it needs replacing is 12,325. The distribution of pages printed per cartridge closely follows the normal probability distribution and the standard d..

  Potential for extreme sampling error

Impact on sampling of increasing sample size is: The potential for extreme sampling error is reduced.

  Find out the p-value for the test

The average hourly wage last year for members of the hospital clerical staff in a large city was $6.32. The standard deviation of the population was $.54. This year a sample of 50 workers had an average hourly wage of $6.51. Test the claim at alph..

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