Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Question: Polling disclaimer. A newspaper article that reported the results of an election poll included the following explanation: The Associated Press poll on the 2000 presidential campaign is based on telephone interviews with 798 randomly selected registered voters from all states except Alaska and Hawaii. The interviews were conducted June 21-25 by ICR of Media, Pa. The results were weighted to represent the population by demographic factors such as age, sex, region, and education. No more than 1 time in 20 should chance variations in the sample cause the results to vary by more than 4 percentage points from the answers that would be obtained if all Americans were polled. The margin of sampling error is larger for responses of subgroups, such as income categories or those in political parties. There are other sources of potential error in polls, including the wording and order of questions.
a) Did they describe the 5 W's well?
b) What kind of sampling design could take into account the several demographic factors listed?
c) What was the margin of error of this poll?
d) What was the confidence level?
e) Why is the margin of error larger for subgroups?
f) Which kinds of potential bias did they caution readers about?
your favorite team is in the final playoffs. you have assigned a probability of 60 that they will win the
To determine the possible effect of a chemical treatment on the rate of seed germination, 300 chemically treated seeds and 250 untreated seeds were sown.
How does multilinear regression analysis apply to a profession? Specify the dependent value and the set of predictors. Where would you get the data?
A senior accounting major at Midsouth State University has job offers from four CPA firms. To explore the offers further, she asked a sample of recent trainees how many months each worked for the firm before receiving a raise in salary.
the normality assumption states that the population of x and y scores form a bivariate two variable normal distribution
Suppose that a certain college class contains 65 students. Of these, 35 are seniors, 33 are biology majors, and 5 are neither. A student is selected at random from the class. (a) What is the probability that the student is both a senior and a biolo..
Determine for each variable if it is the explanatory variable, the response variable, or whether it could be both.
Construct a 99% confident interval for the standard deviation of the amount of vitamin B6 per pill.
hamil sopa took a random sample of 60 invoices from his years records. the mean value of invoices in this sample was
Construct a hypothetical 95% confidence interval for a hypothetical case
we roll two six sided dice one with sides 122334 and the other with sides 134568. what is the distribution of the
Translate the following arguments into symbolic notation.- Either the wealthiest people are the happiest, or it is not the case that money can buy everything.
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!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd