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MGSC 291 Exam 1 University of South Carolina exam (Questions & Answers) Rated 100%
data warehouse - ️️These data are recorded and stored electronically, in vast digital repositories big data - ️️describe data sets so large that traditional methods of storage and analysis are inadequate. types of variables - ️️quantitative, qualitative categorical - ️️arise from descriptive responses to questions like "What kind of advertising do you use?".may only have two possible values (like "yes" or "no").may be a number like a zip code Qualitative...
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data warehouse - ️️These data are recorded and stored electronically, in vast digital repositories big data - ️️describe data sets so large that traditional methods of storage and analysis are inadequate. types of variables - ️️quantitative, qualitative categorical - ️️arise from descriptive responses to questions like "What kind of advertising do you use?".may only have two possible values (like "yes" or "no").may be a number like a zip code Qualitative...
mgsc 291 exam 1 Questions And Answers Already Graded A+
A political reporter announces that there is a 45% chance that the next person to come out of the conference room will be a Republican, since there are 70 Republicans and 86 Democrats in the room. A. Subjective probability B. Empirical probability C. Classical probability - ️️B Bias can occur in sampling. Bias refers to ______. A. the division of the population into overlapping groups B. the creation of strata, which are proportional to the stratum's size C. the use of cluster sa...
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A political reporter announces that there is a 45% chance that the next person to come out of the conference room will be a Republican, since there are 70 Republicans and 86 Democrats in the room. A. Subjective probability B. Empirical probability C. Classical probability - ️️B Bias can occur in sampling. Bias refers to ______. A. the division of the population into overlapping groups B. the creation of strata, which are proportional to the stratum's size C. the use of cluster sa...
MGSC 291-Exam 1 Questions And Answers Already Graded A+
The teachers union in California wants to know the average salary for high school teachers throughout the country. What will the teachers union presumably calculate? A. sample statistic B. Sample Parameter C. Population Statistic D. Population Parameter - ️️A Which of the following is an example of time series data? A. The sales price of townhouses sold last year B. Quarterly housing starts collected over the last 60 years C. Results of market research testing consumer preferences f...
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The teachers union in California wants to know the average salary for high school teachers throughout the country. What will the teachers union presumably calculate? A. sample statistic B. Sample Parameter C. Population Statistic D. Population Parameter - ️️A Which of the following is an example of time series data? A. The sales price of townhouses sold last year B. Quarterly housing starts collected over the last 60 years C. Results of market research testing consumer preferences f...
MGSC 291 Exam 3 Prep (Questions & Answers) Rated 100%
When is the log-log model appropriate? - ️️when the response and explanatory variable move multiplicatively together When do you use logistic regression? - ️️for Binary responses (yes/no, 1/0, true/false) What is seasonal variation? - ️️patterns that happen regularly within a year What is autocorrelation and how do you account for it? - ️️the correlation of a set of numbers with a lagged version of itself what type of data is considered panel data? - ️️a stack of time ...
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When is the log-log model appropriate? - ️️when the response and explanatory variable move multiplicatively together When do you use logistic regression? - ️️for Binary responses (yes/no, 1/0, true/false) What is seasonal variation? - ️️patterns that happen regularly within a year What is autocorrelation and how do you account for it? - ️️the correlation of a set of numbers with a lagged version of itself what type of data is considered panel data? - ️️a stack of time ...
mgsc 291 exam 3 hendrix Questions And Answers Already Graded A+
What is a dichotomous response? - ️️a response with only two choices, like Yes/No, A/B, Up/Down, True/False What is periodicity? - ️️the time interval over which data are collected. Data can be collected once every decade, year, quarter, month, week, day, hour, etc... What are the four components of a time series? - ️️Trend (T), Cycle (C), Seasonal(S), Irregular(I) What is trend? - ️️the general movement over all years What is cycle? - ️️a repetitive up-and-down moveme...
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What is a dichotomous response? - ️️a response with only two choices, like Yes/No, A/B, Up/Down, True/False What is periodicity? - ️️the time interval over which data are collected. Data can be collected once every decade, year, quarter, month, week, day, hour, etc... What are the four components of a time series? - ️️Trend (T), Cycle (C), Seasonal(S), Irregular(I) What is trend? - ️️the general movement over all years What is cycle? - ️️a repetitive up-and-down moveme...
Mgsc 291 Questions And Answers Already Graded A+
You study whether the percent of student who go on to have successful careers is higher than 75%. Your P-value for the hypothesis test is 0.15. You should conclude: - ️️There is little to no evidence the percent of students who are successful is higher than 75% You conduct a test to see whether the percent of students who go on to have successful careers is higher than 75%. Your test statistics is 2.9. Which area should you shade to find the P-value for the test? - ️️B (because you...
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You study whether the percent of student who go on to have successful careers is higher than 75%. Your P-value for the hypothesis test is 0.15. You should conclude: - ️️There is little to no evidence the percent of students who are successful is higher than 75% You conduct a test to see whether the percent of students who go on to have successful careers is higher than 75%. Your test statistics is 2.9. Which area should you shade to find the P-value for the test? - ️️B (because you...
MGSC 291 Final exam (Questions & Answers) Rated 100%
A news network stated that a study had found a positive correlation between the number of children a worker has and his or her earnings last year. You may conclude that: - ️️causation is likely not present. Mary used a sample of 68 large U.S. cities to estimate the relationship between Crime (annual property crimes per 100,000 persons) and Income (median annual income per capita, in dollars). Her estimated regression equation was Crime = 428 + 0.050 Income. If Income decreases by 1000,...
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A news network stated that a study had found a positive correlation between the number of children a worker has and his or her earnings last year. You may conclude that: - ️️causation is likely not present. Mary used a sample of 68 large U.S. cities to estimate the relationship between Crime (annual property crimes per 100,000 persons) and Income (median annual income per capita, in dollars). Her estimated regression equation was Crime = 428 + 0.050 Income. If Income decreases by 1000,...
MGSC 291 Chapter 7 Questions And Answers With Verified Tests 100% Correct Answers Latest Version (2025) Already Graded A+
If a population is known to be normally distributed, what can be said of the sampling distribution of the sample mean drawn from this population? - ️️For any sample size *n*, the sampling distribution of the sample mean is normally distributed. Professor Elderman has given the same multiple choice final exam in his Micro class for many years. After examining his recorDs from the past 10 years, he finds that the scores have a mean of 76 and a standard deviation of 12. What is the probab...
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If a population is known to be normally distributed, what can be said of the sampling distribution of the sample mean drawn from this population? - ️️For any sample size *n*, the sampling distribution of the sample mean is normally distributed. Professor Elderman has given the same multiple choice final exam in his Micro class for many years. After examining his recorDs from the past 10 years, he finds that the scores have a mean of 76 and a standard deviation of 12. What is the probab...
Nutrient Cycles exam (Questions & Answers) Rated 100% (2025 Update)
How do humans use the materials in the carbon sink? - ️️Burn as energy source (combustion) Five examples of combustion - ️️Gas stove, tranportation, electrical appliances, heater, factories How is the majority of electricity generated in the area where you live? - ️️Coal Examples of fossil fuels - ️️Oil, natural gas, coal How does our use of these carbon stores affect the amount of CO2 in the atmosphere? - ️️Release carbon in atmosphere=more CO2 Use carbon faster then...
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How do humans use the materials in the carbon sink? - ️️Burn as energy source (combustion) Five examples of combustion - ️️Gas stove, tranportation, electrical appliances, heater, factories How is the majority of electricity generated in the area where you live? - ️️Coal Examples of fossil fuels - ️️Oil, natural gas, coal How does our use of these carbon stores affect the amount of CO2 in the atmosphere? - ️️Release carbon in atmosphere=more CO2 Use carbon faster then...
Nutrient Cycles Exam Questions And Answers Already Graded A+
Long term affects of the absence of all nitrogen fixating organism. - ️️Fertilizers would essentially be ineffective because, in order to continue the cycle, these nitrogen fixating organisms are needed at various steps. All plant life could potentially be killed off and therefore disrupting food chains and webs The Phosphorus Cycle - ️️-Fairly slow Phosphorus circulates through water, the earth's crust and living organisms. Very little phosphorus circulates in the earth's at...
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Long term affects of the absence of all nitrogen fixating organism. - ️️Fertilizers would essentially be ineffective because, in order to continue the cycle, these nitrogen fixating organisms are needed at various steps. All plant life could potentially be killed off and therefore disrupting food chains and webs The Phosphorus Cycle - ️️-Fairly slow Phosphorus circulates through water, the earth's crust and living organisms. Very little phosphorus circulates in the earth's at...
HESI Case Studies - Peptic Ulcer Disease| Questions and Answers 2023 with complete
Law 3220 Clemson Exam 3 Rated 100% Correct!!
HESI RN Case Study: Burns| Questions and Answers 2023 with complete
EXSC 387 Hager Exam 2 Questions And Answers With Verified Tests 100% Correct Answers
A&P Exam 2 Jersey College Questions and Answers