As we have noted in previous chapters even a very small

Assignment Help Basic Statistics
Reference no: EM13635592

As we have noted in previous chapters, even a very small effect can be significant if the if the sample is large enough. For each of the following, determine how large a sample is necessary for the correlation to be significant. Assume a two-tailed test with a = .05. (Note: Because the table does not list every possible df value, you cannot determine every possible sample size. In each case, use the sample size corresponding to the appropriate df value in the table.)

a. A correlation of r = 0.40

b. A correlation of r = 0.30

c. A correlation of r = 0.20

Reference no: EM13635592

Questions Cloud

Of the 23 stocks that the young investor bought over the : a young investor believes that he can beat the market by picking stocks that will increase in value. assume that on
Write the complex number z -8 4 i in polar form z r cos : write the complex number z -8 4 i in polar form z r cos theta i sin theta where r and theta the angle should
Explain why the pure solvent shows a level horizontal : explain why the pure solvent shows a level horizontal curve as solidification occurs but the curve for the solution
Based on the above chemical reaction the activation energy : c2h5i alc oh- alc --gt c2h5oh alc i- alcbased on the above chemical reaction the activation energy wasdetermined to
As we have noted in previous chapters even a very small : as we have noted in previous chapters even a very small effect can be significant if the if the sample is large enough.
After posting the flags at all such sites she obtains a : the mean score for golfers at the country oaks golf course is ? 83. the manager wonders if posting a red flag at
A 2600 ml buffer solution initially contains25times10-2 mof : a 260.0 ml buffer solution initially contains2.5times10-2 mof hcho2 and2.5times10-2 m of nacho2. inorder to adjust the
You want to make an acetic acidacetate buffer ph 56 with : you want to make an acetic acidacetate buffer ph 5.6 with avolume of 250 ml and a final concentration of acoh aco- 0.1
Does participation in company decisions have an effect on : a standardized productivity scale has a ? 25 and a ? 5. the ceo of the company wants to know if employee

Reviews

Write a Review

Basic Statistics Questions & Answers

  Purpose of truth for the given statement

The field of statistics can be roughly subdivided into two areas: descriptive statistics and probability.

  Level of significance-convincing evidence

At the .05 level of significance, is there convincing evidence that the number of absences per employee has increased?

  Inverse weibull distribution

Individual loss amounts (ground up) this year follow an inverse Weibull distribution with  τ= 3 and expected value 1000. Next year you con?fidently expect loss amounts to in?ate by 10% uniformly across the board.

  Correlation and the operational definition

Briefly remind us of the two variables in your correlation and the operational definition of each. State the null hypothesis and the alternative hypothesis (be sure to clearly label each one) for your correlation.

  Consider the two variables of a persons height and weight

consider the two variables of a persons height and weight. which variable height or weight would you use as the input

  An inspector inspects large truckloads of potatoes to

an inspector inspects large truckloads of potatoes to determine the proportion in the shipment with major defects prior

  Recognize the two quality improvement toolsstrategies you

mr. smith was admitted to the hospital for surgery on his left knee. when mr. smith woke up from the anesthesia he

  A dj plays 3 songs and 4 commercials in 20 minute session

a dj plays 3 songs and 4 commercials in 20 minute session. if the order is song commercial 2 songs 3 commercial how

  Question on statistics-binomial probabilities

Trevor is interested in purchasing the local hardware/sporting goods in the small town of Dove creek, Montana. After examing accounting records for the past several years

  Probability of selecting automobiles at random

The estimated miles per gallon ratings of a class of automobiles are normally distributed with a mean of 12.8 and a standard deviation of 3.2. What is the probability that one of these automobiles selected at random would get:

  Proportion of the hearing loss

What proportion of the hearing loss in all the workers was attributable to not wearing earplugs?

  Can value be rejected if survey of homes yields lawn mowers

Estimate is too low for households in British Columbia. Can the value 0.64 be rejected if a survey of 490 homes in BC yields 331 with one or more lawn mowers?

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