Homework Answers
The right answer is time-series data. As we know, a time size data is collected over a period of time with well defined interval.
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Question 26 3 pts Suppose that you have daily closing prices each day for the month...
Question 25 3 pts Suppose that the null hypothesis is that the medical treatment is not...
Question 25 3 pts Suppose that the null hypothesis is that the medical treatment is not effective. Suppose that the medical treatment is truly effective, but a researcher does not reject the null hypothesis at the 5-percent level of significance. This researcher o is guilty of a post hoc ergo propter hoc fallacy. o has conducted a test with high statistical power. o has made a Type 1 error. o has made a Type 2 error. Question 26 3 pts...
None of these answers are correct. Question 10 0.8 pts Suppose you are researching the effects...
None of these answers are correct. Question 10 0.8 pts Suppose you are researching the effects of primary school class size on standardized test scores. You take a random sample of 1,500 fourth graders and collect their test scores for a state standardized test. Which term best describes the type of data that you are working with? cross sectional data pooled cross section time series panel data 527 31
Suppose you have two individual cross-sectional data sets on car prices for the years 2002 and...
Suppose you have two individual cross-sectional data sets on car prices for the years 2002 and 2004 covering the time periods both before and after the U.S. invasion of Iraq in 2003. You have 130 observations in your 2002 data set and 90 observations in your 2004 data set. You have decided to append your two individual cross-sectional data sets together to form one pooled cross-sectional data set. After appending the two data sets, you now have 220 total observations...
An economist has a dataset that contains the daily closing value of NASDAQ for each trading...
An economist has a dataset that contains the daily closing value of NASDAQ for each trading day during 2016. Is this a cross-sectional dataset or a time-series dataset?[1 point]
QUESTION 8 data The daily closing values of the Dow Jones Industrial Average over a period...
QUESTION 8 data The daily closing values of the Dow Jones Industrial Average over a period of 30 days are best described as cross-sectional Discrete time-series O nominal Remaining Time: 30 minutes 5 seconds Question completion Status The daily dosing values of the Dow Jones industrial Average over a period of days we best described Cross sectional Discrete time series nominal QUESTION 9 How is the median defined if the number of observations is even? Average of the two middle...
The daily changes in stock prices exhibit a random behavior, which means that these daily changes...
The daily changes in stock prices exhibit a random behavior, which means that these daily changes are independent of each other and can be approximated by a normal distribution. To test this theory, collect data for one company that is traded on the Tokyo Stock Exchange, one company traded on the Shanghai Stock Exchange, and one company traded on the Hong Kong Stock Exchange and then do the following: 1. Record the daily closing stock price of each of...
Your supervisor asks you to survey the staff to determine which employees have received vaccinations and...
Your supervisor asks you to survey the staff to determine which employees have received vaccinations and which types. Your completion of this research is: ________ Primary research Secondary research Tertiary research This is not research. You design a study to collect data from patients being treated with a new surgical procedure. You interview each participant in the study immediately after surgery, one day later, three days later, and one week later. You are collecting: ____ Cross-sectional data Time-series data Panel...
Graded Homework Assignment (GHA) contains material from Chapter 3. e you enter the GHA, you must...
Graded Homework Assignment (GHA) contains material from Chapter 3. e you enter the GHA, you must complete it. You cannot exit and re-enter. ou have any technical problems, please contact the helpdesk. They are available 24/7 Question 1 40 pts Match the description to the type of data. Cross-sectional data Data collected both in one pe Time-series data [Choose] Panel data Choose] … Secondary data Choose DQuestion 2 10 pts
Question 2 4 pts You have a budget of $200 for a month and there are...
Question 2 4 pts You have a budget of $200 for a month and there are two goods you can consume, apples and melons. Each apple costs $1 and each melon costs $2. If you are consuming 50 apples, and would like to consume 50 melons. This NA Is part of the opportunity set INNS Means that we would be right on the budget constraint Would imply that we are spending more money than we have Implies an inefficient solution...
For each description of data in Exercises 7 to 26, identify the W's, name the variables,...
For each description of data in Exercises 7 to 26, identify the W's, name the variables, specify for each variable whether its use in- dicates it should be treated as categorical or quantitative, and for any quantitative variable identify the units in which it was mea- sured (if they are not provided, give some possible units in which they might be measured). Specify whether the data come from a designed survey or experiment. Are the variables time series or cross-sectional?...
Question 25 3 pts Suppose that the null hypothesis is that the medical treatment is not effective. Suppose that the medical treatment is truly effective, but a researcher does not reject the null hypothesis at the 5-percent level of significance. This researcher o is guilty of a post hoc ergo propter hoc fallacy. o has conducted a test with high statistical power. o has made a Type 1 error. o has made a Type 2 error. Question 26 3 pts...
None of these answers are correct. Question 10 0.8 pts Suppose you are researching the effects of primary school class size on standardized test scores. You take a random sample of 1,500 fourth graders and collect their test scores for a state standardized test. Which term best describes the type of data that you are working with? cross sectional data pooled cross section time series panel data 527 31
Suppose you have two individual cross-sectional data sets on car prices for the years 2002 and 2004 covering the time periods both before and after the U.S. invasion of Iraq in 2003. You have 130 observations in your 2002 data set and 90 observations in your 2004 data set. You have decided to append your two individual cross-sectional data sets together to form one pooled cross-sectional data set. After appending the two data sets, you now have 220 total observations...
An economist has a dataset that contains the daily closing value of NASDAQ for each trading day during 2016. Is this a cross-sectional dataset or a time-series dataset?[1 point]
QUESTION 8 data The daily closing values of the Dow Jones Industrial Average over a period of 30 days are best described as cross-sectional Discrete time-series O nominal Remaining Time: 30 minutes 5 seconds Question completion Status The daily dosing values of the Dow Jones industrial Average over a period of days we best described Cross sectional Discrete time series nominal QUESTION 9 How is the median defined if the number of observations is even? Average of the two middle...
Graded Homework Assignment (GHA) contains material from Chapter 3. e you enter the GHA, you must complete it. You cannot exit and re-enter. ou have any technical problems, please contact the helpdesk. They are available 24/7 Question 1 40 pts Match the description to the type of data. Cross-sectional data Data collected both in one pe Time-series data [Choose] Panel data Choose] … Secondary data Choose DQuestion 2 10 pts
Question 2 4 pts You have a budget of $200 for a month and there are two goods you can consume, apples and melons. Each apple costs $1 and each melon costs $2. If you are consuming 50 apples, and would like to consume 50 melons. This NA Is part of the opportunity set INNS Means that we would be right on the budget constraint Would imply that we are spending more money than we have Implies an inefficient solution...
For each description of data in Exercises 7 to 26, identify the W's, name the variables, specify for each variable whether its use in- dicates it should be treated as categorical or quantitative, and for any quantitative variable identify the units in which it was mea- sured (if they are not provided, give some possible units in which they might be measured). Specify whether the data come from a designed survey or experiment. Are the variables time series or cross-sectional?...
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