Determine the sample size for poll

Assignment Help Basic Statistics
Reference no: EM13108372

The Harris/Excite instant poll used to be online. Question displays on screen, and you just click buttons to vote "Yes," "No," or "Don't Know." On January 25, 2000, question was "Must female athletes be paid same as men for work they do?" In all, 13,147 (44%) said "Yes," another 15,182 (50%) said "No," and remaining 1448 said "Don't know."

a. Determine the sample size for this poll?

b. That's a much larger sample than standard sample surveys. In spite, we cannot trust result to give good information about any clearly defined population. Explain why?

c. It is still true that more men than women use Web. How might this fact influence the poll results?

Reference no: EM13108372

Questions Cloud

Determine statement to make about given range : When we take the sample of 100 of these average is $500 and SD is $100. (a) Determine statement to make about range $300 to $700?
Construct a table to report the regressions : Construct a table to report the regressions above, which includes the estimates, the standard errors, and adjusted R-square and find the estimated coefficient of ln(Y earsSchool) in Regression B. What is the interpretation of it?
How fair debt collection practices act benefit consumers : How does the Fair Debt Collection Practices Act benefit consumers? Why was the Federal Food, Drug, and Cosmetic Act passed?
What is the estimated standard error : A repeated-measures study comparing two treatments with a sample of n = 4 participants produces a mean of M = 18 with SS = 24 for the scores in the first treatment, a mean of M = 14 with SS = 18 for the scores in the second treatment, and a mean o..
Determine the sample size for poll : That's a much larger sample than standard sample surveys. In spite, we cannot trust result to give good information about any clearly defined population. Explain why?
Calculate the selling price : Four-step process for setting a price on a product, and using 2,000 custom-printed t- shirts as your product (at a cost of $12.25 each to produce), calculate the price you would use to sell the product and your profit after selling your entire invent..
Find the pooled variance for the two samples : One sample has n = 12 with SS = 286, and a second sample has n = 12 with SS = 242.
Why would we ever adopt the nul hypothesis : a general question about how we evaluate (social) scientific research data: why would we ever adopt the nul hypothesis as our default position for any statistical test?
What is the present value of wealth : What is the present value of your wealth at the beginning of your life, what is the largest constant consumption stream you can afford and what borrowing/lending strategy you will use to accomplish b.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Using binomial approximation-find the proportion days

Using Binomial approximation, find the proportion of the days that will be rejected.

  Binomial probability density function

Identify each variable in the formula for the binomial probability density function. Also, explain what the fraction: n! / (n-x)!x! calculates.

  Description of probability calculation-z score

X has a normal distribution with a mean of 80.0 and a standard deviation of 3.5. Find the following probabilities:

  Hypotheses for single proportion

Write the null and alternative hypotheses you would use to test the following situation.

  Does smiling cause mood to rise

Does smiling cause mood to rise (i.e., become more positive)? Sketch between-participants, within-participants, and matched-participants designs that address this question and discuss the advantages and disadvantages of each to yielding data that ..

  Sample is likely representative of the population

Based on data from Neilsen Media Research survey 44% of 5108 randomly selected households had their televisions sets tuned to the Superbowl on game day. Identify the sample, the population, and explain if the sample is likely to be representative ..

  Confidence interval for the true mean weight

Construct a 90 percent confidence interval for the true mean weight. Describe factors which might cause variation in the weight of Tootsie Rolls during manufacture.

  Fitting of orthogonal polynomial regression model

What conclusions can you draw about the nature of the relationship between anxiety and exam performance?

  Example on multiple linear regression model

This model is fit to the data using the method of least squares using statistical software, and the following parameter estimates and their standard errors are obtained.

  Finding the maximal expected utility

Your objective is to maximize the expected utility of your final fortune (after 4 bets). If you are a log-utility investor, determine the optimal policy and find the maximal expected utility.

  Number of pupils require to enrol

If Molly and Kathleen wishes to make a profit of $5,000 for summer, how many pupils do they require to enrol?

  Produce a new confidence interval

Which of the following would produce a new confidence interval with smaller width based on these same data and produce a new confidence interval

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