Distinction statistical significance-practical significance

Assignment Help Basic Statistics
Reference no: EM13111407

Why is statistical significance not necessarily of practical important difference to a business decision? Give an example and explain. Why do statisticians play only a limited role in deciding whether statistical significance requires a business action?

Reference no: EM13111407

Questions Cloud

Conclude the critical value of the test statistic : Conclude the critical value of the test statistic(t) where the sample size is 15, alpha is 0.03, also the alternative hypothesis
Statistics-accident rate : In Dallas, some fire trucks were painted yellow (instead of red) to heighten their visibility. During a test period, the fleet of red fire trucks made 153,348 runs and had 20 accidents
External users of accounting information include : Objective questions in accounting, Accounting is an information and measurement system that identifies, records, and communicates financial information to users. External users of accounting information include
What are the goals for low risk investment : Real estate developer as well as need to borrow $95,000 to finish the project. He is desperate for cash as well as makes an offer of 18% compounded monthly for 2 1/2 years
Distinction statistical significance-practical significance : Why is statistical significance not necessarily of practical important difference to a business decision? Give an example and explain.
Explain portfolio''s new beta be after transactions : You have a $ 2 million portfolio consisting of $100,000 investment in each of 20 different stocks. The portfolio has a beta of 1.1. You are considering selling $100,000 worth one stock with a beta of 0.9 and using the ensues
Question regarding test statistics : A consumer products testing group is evaluating two competing brands of tires, Brand 1 and Brand 2. Tread wear can vary considerably depending on the type of car
Why a niche company might have an advantage in a market : Why a niche company might have an advantage in a market? Would price essentially be an advantage? Explain why or why not.
Explain monica for damages received in a traffic accident : Roberto sued Monica for damages received in a traffic accident. If Monica doesn't respond to the complaint as well as summons served by Roberto within the prescribed time limits Roberto may obtain a

Reviews

Write a Review

Basic Statistics Questions & Answers

  Computing test statistic and p-value for sample

Compute test statistic and p -value for each sample. (Negative amount must be pointed out by minus sign.)

  Confidence interval and population mean

Determine a 95% confidence interval for the population mean.

  Probability value for given data using normal approximation

Finding the probability value for the given data using normal approximation

  Academic response to regression equation

In a completely randomized experimental design, 18 experimental units were used for the first treatment, 10 experimental units were used for the second treatent, and 15 experimental unites were used for the first treatment.

  Using original data and estimate population standard

Using the original data, estimate the population standard deviation with 90% probability.

  Computing probability values using binomial distribution

What is the probability that at least one of the new books is a commercial success?

  F-ratio differences among groups

Which of the following best explains how the F ratio examines differences among groups? A. The critical F is compared to the critical t.

  Lowest possible score

Find the lowest possible score a candidate can score and still qualify. Assume the scores are normally distributed.

  Test the significant difference between two mean

We recalculated our comparison of ideal number of children, this time only for women, separating them into two groups, those who indicated that they were "very happy" or "not at all happy" with life.

  Critical value by chi square distribution

The hypothesis is to be tested at the 5% level of significance. The critical value from the table equals:

  Analysis of variance problem

In an analysis of variance problem involving 3 treatments and 10 observations per treatment, SSE = 399.6. The MSE for this situation is:

  Central limit theorem apply in making a business decision

How could the Central Limit Theorem apply in making a business decision? Try to provide an example from your current or future career.

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