Why is the following sample biased? A TV news show invites viewers to vote on a news topic. Viewers telephone one number to vote “yes" and another to vote “no". o only those viewers that are concerned about the news topic will telephone o each member of the viewers who call is chosen by random sampling. o each viewer who calls responds only once. each viewer of the TV news show has an equal chance of being selected to the sample group.

Why is the following sample biased? A TV news show invites viewers to vote on a news topic. Viewers telephone one number to vote “yes" and another to vote “no". o only those viewers that are concerned about the news topic will telephone o each member of the viewers who call is chosen by random sampling. o each viewer who calls responds only once. each viewer of the TV news show has an equal chance of being selected to the sample group.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Three applications for admission to a local university are checked, and it is determined whether each applicant is male or female. The number of sample points in this experiment is O 2 6 4 8
need help please with this!
Race organizers want to survey the participating runners on the quality of the running course. Which of the following uses systematic random sampling? Select the first 15 finishers and the last 15 finishers to take the survey. Randomly select 15% of the male participants and 15% of the female participants. Select the 5th finisher (with the number 5 being randomly chosen) to survey, then survey every 15th finisher after that. Sort all of the runners' names alphabetically, then randomly choose 2 letters and survey all participants whose last name begins with one of those letters.
A coach is interested in how many slam dunks the average college freshman at his university can do. Ten volunteers from the senior class step forward. After observing their performance, the coach concluded that college seniors can do an average of 10 slam dunks in a row without missing. what is the sample? what is the population?
520 students from UC Berkeley are surveyed about whether they are from Northern California, Southern California, Central California, or from another state or country. A researcher is interested in seeing if the proportion of students from each of the four regions are all the same for all UC Berkeley students. The table below shows the outcome of the survey. Fill in the expected frequencies. Frequencies of UCB Students' Home Towns Outcome Frequency Expected Frequency Northern California Southern California Central California Out of State 189 152 170 1000
Homework 7.2 1. Four students are randomly selected from an algebra class and asked whether they suffer from math anxiety. Find the sample space for the possible outcomes of the survey using a tree diagram.
A sports franchise knows that 81% of their season ticket holders attend every home game. The collect a random sample of size 250 from among last year's season ticket holders. How likely are they to find that 200 or fewer attended every home game? a. .657 b. .800 c. .343 d. .500
A special deck of cards has 5 green cards , and 3 yellow cards. The green cards are numbered 1, 2, 3, 4, and 5. The yellow cards are numbered 1, 2, and 3. The cards are well shuffled and you randomly draw one card.G = card drawn is greenE = card drawn is even-numbereda. How many elements are there in the sample space? b. P(E) = (Round to 4 decimal place
Boris, Priti, and Sajid are due to attend a meeting. A curious observer records their actual attendance. Abbreviating the names by initials, which of the following should be written down as the sample space for the experiment? Select one: a. {0, {B},{P}, {S}, {B, P}, {B, S}, {P, S} O b. {B, P, S} O c. None of the other choices d. {B, P, S, BP, PB, BS, SB, PS, SP, BPS O e. {X, B, P, S} r
A store manager gathers some demographic information from the store's customers. The following chart summarizes the age-related information they collected:
A questionnaire is sent to every ninth person on an alphabetical list of a store’s credit card customers. The first person chosen from the list is picked randomly. Which sampling method is being used?
A company manufactured six television sets on a given day, and these TV sets were inspected for being good or defective. The results of the inspection follow. Good, Good, Defective, Defective, Good, Good. Show all possible samples of size three. Let p be the sample proportion of good television sets. Find the sampling distribution of p.