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3.59 What Proportion of College Students Change Their Major? Exercise 2.16 introduces a survey of 5204 first-year full-time college students in the US. The survey was administered at the end of the first year, and 35.6% of the students said that they had changed their choice of major over the course of the year. (a) Is the information given from a sample or a pop- ulation? (b) Is the 35.6% a parameter or a statistic? Give the correct notation. 2 C 20 279 Ос

3.59 What Proportion of College Students Change Their Major? Exercise 2.16 introduces a survey of 5204 first-year full-time college students in the US. The survey was administered at the end of the first year, and 35.6% of the students said that they had changed their choice of major over the course of the year. (a) Is the information given from a sample or a pop- ulation? (b) Is the 35.6% a parameter or a statistic? Give the correct notation. 2 C 20 279 Ос

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Can you explain 3.59, part b and d?
$ confidence is 1.2. 3.58 P1 P₂ = 0.08 and the margin of error for 95% confidence is ±3%. 4 3.59 What Proportion of College Students Change Their Major? Exercise 2.16 introduces a survey of 5204 first-year full-time college students in the US. The survey was administered at the end of the first year, and 35.6% of the students said that they had changed their choice of major over the course of the Crief (Mentor) 8/16/22 year. (a) Is the information given from a sample or a pop- ulation? 30% Page 243 of 839 • Location 5574 of 18730 a (b) Is the 35.6% a parameter or a statistic? Give the correct notation. F4 sty % 5 9 F5 < 6 MacBook Air C F6 & 7 K F7 * 8 DII F8 9 A F9 (E (c) (d) 26 Won Comba 2015. 27 Sande October O
Transcribed Image Text:$ confidence is 1.2. 3.58 P1 P₂ = 0.08 and the margin of error for 95% confidence is ±3%. 4 3.59 What Proportion of College Students Change Their Major? Exercise 2.16 introduces a survey of 5204 first-year full-time college students in the US. The survey was administered at the end of the first year, and 35.6% of the students said that they had changed their choice of major over the course of the Crief (Mentor) 8/16/22 year. (a) Is the information given from a sample or a pop- ulation? 30% Page 243 of 839 • Location 5574 of 18730 a (b) Is the 35.6% a parameter or a statistic? Give the correct notation. F4 sty % 5 9 F5 < 6 MacBook Air C F6 & 7 K F7 * 8 DII F8 9 A F9 (E (c) (d) 26 Won Comba 2015. 27 Sande October O
=: Unlocking the Power of Data, 3rd Edition Page 243 of 839 =rstanding and Interpreting Confidence Intervals 243 1 on ue (c) If we want to use this value to estimate a parameter, give notation and define the relevant parameter. (d) Give a 95% confidence interval for the quan- tity being estimated, if the standard error for the estimate is 0.007. 3.60 Do You Ever Feel Homesick? According to a survey by the UCLA Higher Education Institute, 26 69 percent of the first year college students in the sample reported feeling homesick. If we use this sample to generalize to a population, the margin of error for the estimate is ±2%, using a 95% confi- dence level. (a) Is the 69 percent a parameter or statistic? Give the correct notation for the quantity. (b) Is the quantity we are estimating a parameter or a statistic? Give correct notation and clearly define it. (c) Use the margin of error to give a 95% confi- dence interval for the parameter. Interpret it in
Transcribed Image Text:=: Unlocking the Power of Data, 3rd Edition Page 243 of 839 =rstanding and Interpreting Confidence Intervals 243 1 on ue (c) If we want to use this value to estimate a parameter, give notation and define the relevant parameter. (d) Give a 95% confidence interval for the quan- tity being estimated, if the standard error for the estimate is 0.007. 3.60 Do You Ever Feel Homesick? According to a survey by the UCLA Higher Education Institute, 26 69 percent of the first year college students in the sample reported feeling homesick. If we use this sample to generalize to a population, the margin of error for the estimate is ±2%, using a 95% confi- dence level. (a) Is the 69 percent a parameter or statistic? Give the correct notation for the quantity. (b) Is the quantity we are estimating a parameter or a statistic? Give correct notation and clearly define it. (c) Use the margin of error to give a 95% confi- dence interval for the parameter. Interpret it in
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