You and a group of friends want to know how many students in your school prefer pop music. There are 840 students in your school. Each person in the group randomly surveys 20 students. The table shows the results. Favorite Type of Music Country Pop Rock Rap You 13 Friend A 3. 7. 2. Friend B 4. 10 Friend C 10 4. Friend D 9. 3. 3. a. Use each sample to make an estimate for the number of students in your school who prefer pop music. In your sample, 13 out of 20, or 65% of the students chose pop music. So, you can estimate that 0.65(840) 546 students in your school prefer pop music. Make estimates for the other samples. You Friend A Friend B Friend C Friend D Estimate 546 336 420 420 378 So, the estimates are that 336, 378, 420, 420, and 546 students prefer pop music. b. Describe the center and the variation of the estimates. The estimates have a median of 420 students and a range of 546 336 210 students. Try It 1. Use each sample to make an estimate for the numher of students in your school who prefer rap music Describe the center and the variation of the estimates

You and a group of friends want to know how many students in your school prefer pop music. There are 840 students in your school. Each person in the group randomly surveys 20 students. The table shows the results. Favorite Type of Music Country Pop Rock Rap You 13 Friend A 3. 7. 2. Friend B 4. 10 Friend C 10 4. Friend D 9. 3. 3. a. Use each sample to make an estimate for the number of students in your school who prefer pop music. In your sample, 13 out of 20, or 65% of the students chose pop music. So, you can estimate that 0.65(840) 546 students in your school prefer pop music. Make estimates for the other samples. You Friend A Friend B Friend C Friend D Estimate 546 336 420 420 378 So, the estimates are that 336, 378, 420, 420, and 546 students prefer pop music. b. Describe the center and the variation of the estimates. The estimates have a median of 420 students and a range of 546 336 210 students. Try It 1. Use each sample to make an estimate for the numher of students in your school who prefer rap music Describe the center and the variation of the estimates

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

Hi, please find the sample for each random number. choosing an odd number from 1 to 11 at random.
The dotplot shows the distribution of passing rates for the bar exam at 185 law schools in the United States in a certain year. The five number summary is 27, 77, 87, 91, 99. Draw the boxplot and explain how you determined where the whiskers go. Click the icon to view.a dotplot of bar exam passing rates. Draw the boxplot. Select the correct answer below. OA. 0 100 Bar-Pass Rate (%) OB. Q G 100 Bar-Pass Rate (%) 0 Bar-Pass Rate (%) 100 O D. Q Q Q G 0 100 Bar-Pass Rate (%) Explain how you determined where the whiskers go. Select the correct answer below and fill in the answer boxes to complete your choice. (Type integers or decimals. Do not round.) OA. The whiskers extend to the minimum, and the maximum, OB. The whiskers identify the range of values that Q1 and Q3 will likely be found in for a given number of trials. The whiskers extend to the smallest expected value of Q1, expected value of Q3, OC. The whiskers extend to the most extreme values that are not potential outliers. The left…
The manager of a book store surveys people who buy mystery novels to see if the store should expand its hours. What is the population and the sample here?
Just the answer please.
Suppose that a polling organization surveys n = 400 people about whether they think the federal government should give financial aid to the airlines to help them avoid bankruptcy. In the poll,300 people say that the government should provide aid to the airlines. Which choices give the correct notation and value for the sample proportion in this survey?
Explain what each phrase means in the context of inferences for a population proportion. a. Number of successesb. Number of failures
Determine whether the statement is true or false. If it is false, rewrite it as a true statement. A population is the collection of some outcomes, responses, measurements, or counts that are of interest. Choose the correct answer below. A. True. B. False. A sample is the collection of all outcomes, responses, measurements, or counts that are of interest. C. False. A population is the collection of all outcomes, responses, measurements, or counts that are of interest.
Hi I need help with this answer. Thank you in advance.
K The accompanying data represent the wait time (in minutes) for a random sample of 40 visitors to a popular attraction in a large amusement park. Use the sample data to complete parts (a) through (d). Click the icon to view the data for wait times. Wait times 7 6454256200 15 32 23 8 . 9 44 10 9 33 55 1 27 6 9 6 Print 22 7 23 10 25 25 16 54 3 9 32 Done *** 0 3 6 12 5 3 7 8 13 7 16 C - X
The times (in seconds) 878, 871, 906, 933, 930, 852, 890, 861, 882, 888, 897, 899, 879, 888, 848 Find the sample IQR is? And showing a boxplot of the data.
Identify the population and the sample. Describe the sample data set. A survey of 170 law firms in a country found that the average hourly billing rate for partners was $658. Identify the population. Choose the correct answer below. all partners all law firms in the country all people in the country the law firms that were surveyed Identify the sample. Choose the correct answer below. all partners all people in the country all law firms in the country the law firms that were surveyed Describe the sample data set. Choose the correct answer below. O A. The average hourly billing rate for partners of 170 law firms was $658. B. The 170 law firms