Homework Answers
1) GPA for all students in a given class for four years of college .
Panel data is multidimentional data which measures different phenomena over time . Multiple time periods are considered while observation .
2) the are and science of collecting , analysing , presenting and interpreting data .
Statistics is a branch of mathematics dealing with collection, organization, analysis, interpretation and presentation of data .
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Question 1 1 pts Which of the following would be the BEST example of panel data?...
Which of the following would be the BEST example of panel data? GPA for all students...
Which of the following would be the BEST example of panel data? GPA for all students in a given class for one year of college GPA for all students in a given class for four years of college GPA for a student for four years of college
heckpoint: "Collecting Data-Sampling" Question 1 Which of the following is an example of a census? Select...
heckpoint: "Collecting Data-Sampling" Question 1 Which of the following is an example of a census? Select one answer. 1o points A. O Survey students about the college class schedule by randomly B. O To determine the median income of all working U.S. adults, a marketing firm conducts a C. O A large retailer wants to determine the proportion of its customers who browse for selecting 50o from the college's enrollment records. national survey of 5o,ooo randomly selected individuals across all...
D Question 3 1 pts Which of the following would be the BEST example of time...
D Question 3 1 pts Which of the following would be the BEST example of time series data? GDP for France each year for 10 years GDP for all countries in the European Union for 10 years GDP for all countries in the European Union last year Question 4 1 pts Observational studies make an attempt to influence some variables in order to observe how changes in these variables affect outcomes. True False
Question 17 1 pts Classify the type of data that would be given as a response...
Question 17 1 pts Classify the type of data that would be given as a response to the weight of your backpack. Quantitative-discrete Quantitative-continuous Qualitative Question 18 1 pts Determine the type of sampling used. A De Anza English instructor randomly selects three EWRT 1A classes and then interviews all students in those three classes to determine the average number of required books for EWRT 1A classes carried by EWRT 1A students at De-Anza College. Cluster Simple Random Stratified Systematic
Which of the following would be the BEST example of cross-sectional data? o height of a...
Which of the following would be the BEST example of cross-sectional data? o height of a particular child every year from fifth grade until twelfth grade height of all students in a given school every year from fifth grade until twelfth grade O height of all students in a given school current ly in the fifth grade
Which of the following would be the BEST example of cross-sectional data? height of all students...
Which of the following would be the BEST example of cross-sectional data? height of all students in a given school currently in the fifth grade height of a particular child every year from fifth grade until twelfth grade height of all students in a given school every year from fifth grade until twelfth grade
Question 1: Each of the scenarios below represent situations in which (1) either all necessary assumptions...
Question 1: Each of the scenarios below represent situations in which (1) either all necessary assumptions for the unbiasedness of OLS estimators ("unbiasedness assumptions") are satisfied, or (2) one of the unbiasedness assumptions is violated. Look at the econometric model put forward in each scenario. For each scenario, state your opinion of whether or not all the unbiasedness assumptions are satisfied. If one assumption is violated, state which one does not hold true. Provide a brief explanation (no more than...
Question 14 3 pts Which of the following questions can reasonably be answered by an experiment?...
Question 14 3 pts Which of the following questions can reasonably be answered by an experiment? Choose all that apply. Is participation in an accelerated pathway through college-level English associated with passing a college-level English class? Does entering the English pipeline at three levels below transfer decrease the rates at which basic skills students pass a transfer-level English class? Does learner-centered instruction increase student success rates in English? Is a student who successfully completes a college-level English class within 18...
Please answer all 3 questions 8. 7. Question 9 1 pts Assume that the data has...
Please answer all 3 questions
8.
7.
Question 9 1 pts Assume that the data has a normal distribution and the number of observations is greater than fifty. Find the critical z value used to test a null hypothesis. a=0.05 for a test of the hypothesis that the mean is greater than or equal to 98. 0 -2.326 0 -1.960 0 -1.645 O +1.645 O 1.960 Find the appropriate critical value (either Za/2 or ta/2) Confidence level = 99% and...
Directions: Due in class on Tuesday, January 29. All answers should be typed. 1. (5 pts...
Directions: Due in class on Tuesday, January 29. All answers should be typed. 1. (5 pts each) Suppose you are tasked with analyzing the following statements by a policymaker. Which variable would be exogenous and which would be endogenous? a) Government spending on assistance programs for the elderly increases the quality of life in older age. b) Graduating from college during a recession lowers your life-long stream of income. c) Students that spend a lot of time on their phones...
Which of the following would be the BEST example of panel data? GPA for all students in a given class for one year of college GPA for all students in a given class for four years of college GPA for a student for four years of college
heckpoint: "Collecting Data-Sampling" Question 1 Which of the following is an example of a census? Select one answer. 1o points A. O Survey students about the college class schedule by randomly B. O To determine the median income of all working U.S. adults, a marketing firm conducts a C. O A large retailer wants to determine the proportion of its customers who browse for selecting 50o from the college's enrollment records. national survey of 5o,ooo randomly selected individuals across all...
D Question 3 1 pts Which of the following would be the BEST example of time series data? GDP for France each year for 10 years GDP for all countries in the European Union for 10 years GDP for all countries in the European Union last year Question 4 1 pts Observational studies make an attempt to influence some variables in order to observe how changes in these variables affect outcomes. True False
Question 17 1 pts Classify the type of data that would be given as a response to the weight of your backpack. Quantitative-discrete Quantitative-continuous Qualitative Question 18 1 pts Determine the type of sampling used. A De Anza English instructor randomly selects three EWRT 1A classes and then interviews all students in those three classes to determine the average number of required books for EWRT 1A classes carried by EWRT 1A students at De-Anza College. Cluster Simple Random Stratified Systematic
Which of the following would be the BEST example of cross-sectional data? o height of a particular child every year from fifth grade until twelfth grade height of all students in a given school every year from fifth grade until twelfth grade O height of all students in a given school current ly in the fifth grade
Which of the following would be the BEST example of cross-sectional data? height of all students in a given school currently in the fifth grade height of a particular child every year from fifth grade until twelfth grade height of all students in a given school every year from fifth grade until twelfth grade
Question 1: Each of the scenarios below represent situations in which (1) either all necessary assumptions for the unbiasedness of OLS estimators ("unbiasedness assumptions") are satisfied, or (2) one of the unbiasedness assumptions is violated. Look at the econometric model put forward in each scenario. For each scenario, state your opinion of whether or not all the unbiasedness assumptions are satisfied. If one assumption is violated, state which one does not hold true. Provide a brief explanation (no more than...
Question 14 3 pts Which of the following questions can reasonably be answered by an experiment? Choose all that apply. Is participation in an accelerated pathway through college-level English associated with passing a college-level English class? Does entering the English pipeline at three levels below transfer decrease the rates at which basic skills students pass a transfer-level English class? Does learner-centered instruction increase student success rates in English? Is a student who successfully completes a college-level English class within 18...
Please answer all 3 questions
8.
7.
Question 9 1 pts Assume that the data has a normal distribution and the number of observations is greater than fifty. Find the critical z value used to test a null hypothesis. a=0.05 for a test of the hypothesis that the mean is greater than or equal to 98. 0 -2.326 0 -1.960 0 -1.645 O +1.645 O 1.960 Find the appropriate critical value (either Za/2 or ta/2) Confidence level = 99% and...
Directions: Due in class on Tuesday, January 29. All answers should be typed. 1. (5 pts each) Suppose you are tasked with analyzing the following statements by a policymaker. Which variable would be exogenous and which would be endogenous? a) Government spending on assistance programs for the elderly increases the quality of life in older age. b) Graduating from college during a recession lowers your life-long stream of income. c) Students that spend a lot of time on their phones...
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