Aresearcher with the Department of Education followed a cohort of students who graduated from high school in a certain year, monitoring the progress the students made toward completing a bachelor's degree. One aspect of his research was to determine whether students who first attended community college took longer to attain a bachelor's degree than those who immediately attended and remained at a 4-year institution The data in the table attached below summarize the results of his study Compiete parts a) through e) below. E Click the icon to view the sample data a) What is the response variable in this study? What is the explanatory variable? O A. The response variable is the use of community college or not. The explanatory variable is the time to graduate. OB. The response variable is the time to graduate. The explanatory variable is the use of community college or not OC. The response variable is the number of students. The explanatory variable is the time to graduate OD. The response variable is the time to graduate The explanatory variable is the number of students. b) Explain why this study can be analyzed using inference of two sample means. Determine what qualifications are met to perform the hypothesis test about the difference between two means. Select all that apply O A. The sample sizes are not more than 5% of the population OB. The samples can be reasonably assumed to be random OC. The samples are independent. OD. The sample sizes are large (both greater than equal to 30) OE. The population is given to be normally distributed c) Does the evidence suggest that community college transfer students take longer to attain a bachelor's degree? Use an a=0 01 level of significance. Perform a hypothesis test. Determine the null and altenative hypotheses O A. Ho Pcommunity college Pno transter. H1 Pcommunity college Pno transfer O B. Ho Pcommunity college Pno transfer H- Pcommunity college Pno transter OC. Ho Pcommunity college Pno transter. H Pcommunity college Pno transfer On He H cotroe Pno transter
Aresearcher with the Department of Education followed a cohort of students who graduated from high school in a certain year, monitoring the progress the students made toward completing a bachelor's degree. One aspect of his research was to determine whether students who first attended community college took longer to attain a bachelor's degree than those who immediately attended and remained at a 4-year institution The data in the table attached below summarize the results of his study Compiete parts a) through e) below. E Click the icon to view the sample data a) What is the response variable in this study? What is the explanatory variable? O A. The response variable is the use of community college or not. The explanatory variable is the time to graduate. OB. The response variable is the time to graduate. The explanatory variable is the use of community college or not OC. The response variable is the number of students. The explanatory variable is the time to graduate OD. The response variable is the time to graduate The explanatory variable is the number of students. b) Explain why this study can be analyzed using inference of two sample means. Determine what qualifications are met to perform the hypothesis test about the difference between two means. Select all that apply O A. The sample sizes are not more than 5% of the population OB. The samples can be reasonably assumed to be random OC. The samples are independent. OD. The sample sizes are large (both greater than equal to 30) OE. The population is given to be normally distributed c) Does the evidence suggest that community college transfer students take longer to attain a bachelor's degree? Use an a=0 01 level of significance. Perform a hypothesis test. Determine the null and altenative hypotheses O A. Ho Pcommunity college Pno transter. H1 Pcommunity college Pno transfer O B. Ho Pcommunity college Pno transfer H- Pcommunity college Pno transter OC. Ho Pcommunity college Pno transter. H Pcommunity college Pno transfer On He H cotroe Pno transter
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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Could you also help me with the Test statistic, P-Value, and confidence interval range as well? I’m practicing for a test!
Transcribed Image Text:A researcher with the Department of Education followed a cohort of students who graduated from high school in a certain year, monitoring the progress the students made toward completing a bachelor's degree. One aspect of his research was to determine
whether students who first attended community college took longer to attain a bachelor's degree than those who immediately attended and remained at a 4-year institution. The data in the table attached below summarize the results of his study Complete
parts a) through e) below.
A Click the icon
view the sample data.
a) What is the response variable in this study? What is the explanatory variable?
The response variable is the use of community college or not. The explanatory variable is the time to graduate.
O B. The response variable is the time to graduate. The explanatory variable is the use of community college or not.
OC. The response variable is the number of students. The explanatory variable is the time to graduate.
OD. The response variable is the time to graduate. The explanatory variable is the number of students
b) Explain why this study can be analyzed using inference of two sample means. Determine what qualifications are met to perform the hypothesis test about the difference between two means. Select all that apply
O A. The sample sizes are not more than 5% of the population.
O B. The samples can be reasonably assumed to be random.
OC. The samples are independent.
OD. The sample sizes are large (both greater than or equal to 30).
O E. The population is given to be normally distributed.
c) Does the evidence suggest that community college transfer students take longer to attain a bachelor's degree? Use an a = 0.01 level of significance. Perform a hypothesis test. Determine the null and alternative hypotheses
O A. Ho Pcommunity college Pno transfer H1 Pcommunity college Pno transfer
O B. Ho Hcommunity college Pno transter H Pcommunity college Pno transfer
O C. Ho Hcommunity college = Hno transter. H Pcommunity college Pno transfer
O D. Ho Pcommunity college Pno transfer H Hcommunity college Pno transfer
Transcribed Image Text:sample mea
Community
College Transfer
No Transfer
w me
255
1160
Sample mean time to
graduate, in years
Sample standard
5.34
4.26
1.134
1.004
co 30).
deviation time to
graduate, in years
termine t
students take l
Print
Done
llege
Hno transfer
Dllege Pno transfer
college Pno transfer
college < Pno transfer
DELL
II
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