Will the required sample size be larger or smaller

Assignment Help Basic Statistics
Reference no: EM13118948

suppose that in the setting of the previous exercise you are willing to settle for a margin of error of $1000. will the required sample size be larger or smaller? verify your answer by performing the the calculations.

Reference no: EM13118948

Questions Cloud

Explain the marginal value theorem : Explain the marginal value theorem and its key assumptions. How might incorporating (a) state-dependent learning; (b) constraints on spatial memory change those assumptions?
Develop forecast of enrollment using exponential smoothing : Develop a forecast of enrollment next semester using exponential smoothing with a a= 0.2. Assume that an initial forecast for the first semester was 120 (so the forecast and the actual were the same.)
How much should be deposited now : What interest rate does she need to get to be able to retired as desired and compounded semi-annually, how much should be deposited now?
What is red queen evolution : What is Red Queen evolution and how does it apply to the search images of predators and the camouflage patterns of prey? Discuss in the context of specific experimental studies.
Will the required sample size be larger or smaller : suppose that in the setting of the previous exercise you are willing to settle for a margin of error of $1000. will the required sample size be larger or smaller?
Define heritability and explain the difference : Define heritability and explain the difference between saying a trait is heritable and saying it's genetically determined. Why is heritability very low for many traits that are important to survival and reproduction?
Estimate reasonable cost estimate : Using this he gives a cost estimate of $24,000 for a new order for 500 units. Is this a reasonable cost estimate? Explain why or why not. Looking at the data on file, can you give a better cost estimate?
Which component of the cytoskeleton is most important : Which component of the cytoskeleton is most important in.
Continuous probability distribution - independent events : Continuous Probability Distribution - Independent Events, A certain airplane has two independent alternators to provide electrical power. The probability that a given alternator will fail on a 1-hour flight is .02.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Hypothesis using paired-sample sign test

It was thought that hypnosis would lower a person's desire to smoke. A researcher decided to investigate this hypothesis using a paired-sample sign test in which the number of cigarettes/day smoked by subjects was recorded before and after hypnosi..

  Random sample in asking for a date

A random sample of 20 single men was asked if they would welcome a woman taking the initiative in asking for a date. What is the probability that:

  Find pounds of chemical ingredient to put in fertilizer

Company wishes to know how many pounds of each chemical ingredient to put into the bag of fertilizer to meet minimum needs of 20 ounces of nitrogen, 36 ounces of phosphate, and 2 ounces of potassium during minimizing cost.

  Teachers hypothesis-pre and post tests

Test the teachers hypothesis that there is a significant difference between the pre and post tests.

  What is the confidence interval for the population mean

A random sample of 15 college graduates revealed that they worked an average of 5.3 years on the job before being promoted. The sample standard deviation was 1.2 years. Using the 0.95 degree of confidence, what is the confidence interval for the p..

  Determining margin of error

Determine the margin of error that corresponds to the given values of n (times) and x (successes) and the degree of confidence: n=1400, x=420, 95%. Go 3 decimal places of precision.

  Information about calculating the mean

The 30 members of an orchestra were asked how many instruments each could play. The results are set out in the frequency distribution. Calculate the mean number of instruments played:

  Determining the value of statistic and dependent variable

Determine the dependent variable(s)? Determine the value of the statistic? Write down the name of one variable not mentioned in this study that one might wish to control for.

  Determining standard z score

Lewis earned 85 on his biology midterm and 81 on his history midterm. In the biology class the mean score was 79 with standard deviation 5.

  Hypothesis test for the mean-dietitian

A dietitian investigated whether apples washed in hot water or in cold water turned brown at different rates when exposed to air. She took 13 random apples and cut each in half.

  Carrying out anova and post-hoc comparisons

Carry out the ANOVA and, if essential, post-hoc comparisons. Make a graph to represent group differences, and interpret ANOVA in a paragraph written in APA style.

  Find possible ordered choices of three out of six candidates

The third will be made an offer only if the committee should reject both the first and the second. How many possible ordered choices of three out of six candidates are there?

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