subject
Mathematics, 31.07.2019 20:30 haileysolis5

Two random samples were taken to determine how often people in a community listen to the local radio station each month. the first sample surveyed 15 people as they exited the bank on main street. the first sample found that the mean number of hours they listened to the radio each month was 20. the second sample surveyed every sixth person as they exited the only local grocery store until 100 people were surveyed. the second sample found that the mean number of hours they listened to the radio each month was 12. which statements are true? check all that apply. the second sample is random. the second sample is likely to be more representative of the population. the first sample is likely to be more representative of the population. the second sample will give a better representation because is it larger. the first sample will give a better representation because it is smaller.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 15:00
Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm.dist(80,475,33,1) =norm.inv(0.80,475,33) =norm.s.inv((80-475)/33)?
Answers: 1
question
Mathematics, 21.06.2019 15:30
The average hourly earnings for a construction worker is projected to be $24.50 in 2012. jason wants to join the construction work force after he graduates in 2012. his friend tells him that average hourly earnings for construction workers will rise by 2% from 2009 to 2012. based on the data below, assuming that the projected hourly earnings are correct, is jason’s friend’s statement accurate? construction industry - average hourly earnings, 2000-2009 a. his friend’s statement is accurate. the average hourly earnings will increase by 2%. b. his friend’s statement is not accurate. the percent increase will be more than 2% c. his friend’s statement is not accurate. the percent increase will be less than 2% d. his friend’s statement is not accurate. the average hourly earnings will decrease
Answers: 3
question
Mathematics, 21.06.2019 20:30
The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers
Answers: 1
question
Mathematics, 22.06.2019 03:00
What is the approximate difference in tenths between √12 and √15?
Answers: 1
You know the right answer?
Two random samples were taken to determine how often people in a community listen to the local radio...
Questions
question
Mathematics, 17.10.2020 22:01
question
Mathematics, 17.10.2020 22:01