Business Research Methods mcq practice set 5

Practice MCQ with Answer of Business Research Methods MCQ Set 5th. Also practice other multiple choice question answer set for Business Research Methods. Must give online exam quiz of Conflict Resolution and Management and assess your knowledge.

Business Research Methods MCQ and Quiz Page

Q161: What does the range measure in a dataset?
a) The average deviation of values from the mean
b) The spread of values in the dataset
c) The most frequently occurring value in the dataset
d) The difference between the highest and lowest values

Answer

Answer: d) The difference between the highest and lowest values

Q162: Which parametric test is used to compare means between two independent groups?
a) z-test
b) t-test
c) F-test
d) Correlation

Answer

Answer: b) t-test

Q163: What is the key requirement for conducting a z-test?
a) The data must be normally distributed
b) The sample size should be small
c) The population standard deviation is unknown
d) The variables being compared are categorical

Answer

Answer: a) The data must be normally distributed

Q164: Which parametric test is used to compare means between two related groups or repeated measures?
a) z-test
b) t-test
c) F-test
d) Correlation

Answer

Answer: b) t-test

Q165: What is the main purpose of an F-test in hypothesis testing?
a) To compare means between two independent groups
b) To compare means between two related groups or repeated measures
c) To compare variances between multiple groups
d) To assess the strength and direction of a relationship between variables

Answer

Answer: c) To compare variances between multiple groups

Q166: Which parametric test is used to examine the strength and direction of a linear relationship between two continuous variables?
a) z-test
b) t-test
c) F-test
d) Correlation

Answer

Answer: d) Correlation

Q167: What is the key difference between a one-sample t-test and a two-sample t-test?
a) One tests the difference in means, while the other tests the difference in proportions
b) One tests the difference between two independent groups, while the other tests the difference between two related groups
c) One compares the mean of a single group to a known value, while the other compares the means of two independent groups
d) One examines the relationship between two continuous variables, while the other examines the relationship between two categorical variables

Answer

Answer: c) One compares the mean of a single group to a known value, while the other compares the means of two independent groups

Q168: Which non-parametric test is used to examine the association between two categorical variables?
a) z-test
b) t-test
c) F-test
d) Chi-square test

Answer

Answer: d) Chi-square test

Q169: What is the primary advantage of using non-parametric tests over parametric tests?
a) Non-parametric tests can handle smaller sample sizes
b) Non-parametric tests are more powerful and accurate
c) Non-parametric tests require normally distributed data
d) Non-parametric tests can be used for both continuous and categorical variables

Answer

Answer: a) Non-parametric tests can handle smaller sample sizes

Q170: When should a non-parametric test, like the Chi-square test, be used?
a) When comparing means between two independent groups
b) When examining the strength and direction of a linear relationship between continuous variables
c) When comparing means between two related groups or repeated measures
d) When examining the association between two categorical variables

Answer

Answer: d) When examining the association between two categorical variables

Q171: Which parametric test should be used when comparing means between multiple groups (more than two)?
a) z-test
b) t-test
c) F-test
d) Correlation

Answer

Answer: c) F-test

Q172: What is a major challenge in storing and processing big data?
a) Limited storage capacity
b) Slow processing speed
c) Lack of data sources
d) Data privacy concerns

Answer

Answer: b) Slow processing speed

Q173: Which challenge refers to the ability to extract meaningful insights from large volumes of data?
a) Data quality
b) Data integration
c) Data analysis
d) Data storage

Answer

Answer: c) Data analysis

Q174: What is the term used to describe the problem of integrating data from diverse sources and formats?
a) Data quality
b) Data integration
c) Data analysis
d) Data storage

Answer

Answer: b) Data integration

Q175: Which challenge involves ensuring that the collected data is accurate, complete, and reliable?
a) Data quality
b) Data integration
c) Data analysis
d) Data storage

Answer

Answer: a) Data quality

Q176: What is a significant challenge in preserving the privacy and security of big data?
a) Data quality
b) Data integration
c) Data analysis
d) Data privacy concerns

Answer

Answer: d) Data privacy concerns

Q177: What is the primary goal of machine learning?
a) To write programs to perform specific tasks
b) To enable computers to learn from data and improve performance on a given task
c) To design algorithms for efficient data storage
d) To develop powerful computer hardware

Answer

Answer: b) To enable computers to learn from data and improve performance on a given task

Q178: Which type of machine learning algorithm aims to classify input data into specific categories or classes?
a) Regression
b) Clustering
c) Classification
d) Reinforcement learning

Answer

Answer: c) Classification

Q179: What is the key characteristic of unsupervised learning in machine learning?
a) The learning algorithm is provided with labeled training data
b) The learning algorithm discovers patterns or structures in the data without labeled examples
c) The learning algorithm is provided with feedback or rewards to learn optimal actions
d) The learning algorithm predicts continuous numeric values

Answer

Answer: b) The learning algorithm discovers patterns or structures in the data without labeled examples

Q180: Which machine learning technique involves training a model using historical data to make predictions or estimates?
a) Supervised learning
b) Unsupervised learning
c) Reinforcement learning
d) Clustering

Answer

Answer: a) Supervised learning

Q181: What is the process of evaluating a trained machine learning model on unseen data called?
a) Training
b) Testing
c) Validation
d) Inference

Answer

Answer: b) Testing

Q182: Which regression technique aims to minimize the sum of squared residuals between the observed and predicted values?
a) Ordinary Least Squares (OLS) regression
b) Ridge regression
c) Lasso regression
d) K Nearest Neighbors (KNN) regression

Answer

Answer: a) Ordinary Least Squares (OLS) regression

Q183: What is the primary advantage of OLS regression?
a) It is computationally efficient for large datasets
b) It automatically handles multicollinearity in predictor variables
c) It provides interpretable coefficient estimates
d) It is robust to outliers in the data

Answer

Answer: c) It provides interpretable coefficient estimates

Q184: Which regression technique introduces a penalty term to the OLS objective function to shrink the coefficient estimates?
a) Ordinary Least Squares (OLS) regression
b) Ridge regression
c) Lasso regression
d) K Nearest Neighbors (KNN) regression

Answer

Answer: b) Ridge regression

Q185: What is the primary purpose of Ridge regression?
a) To eliminate irrelevant predictor variables from the model
b) To perform variable selection by setting some coefficient estimates to zero
c) To handle multicollinearity among predictor variables
d) To capture non-linear relationships between variables

Answer

Answer: c) To handle multicollinearity among predictor variables

Q186: Which regression technique performs both variable selection and regularization by setting some coefficient estimates to zero?
a) Ordinary Least Squares (OLS) regression
b) Ridge regression
c) Lasso regression
d) K Nearest Neighbors (KNN) regression

Answer

Answer: c) Lasso regression

Q187: What is the key difference between Ridge regression and Lasso regression?
a) Ridge regression only sets some coefficient estimates to zero, while Lasso regression can set more coefficients to zero
b) Ridge regression uses L1 regularization, while Lasso regression uses L2 regularization
c) Ridge regression is more effective for handling multicollinearity than Lasso regression
d) Ridge regression provides interpretable coefficient estimates, while Lasso regression does not

Answer

Answer: a) Ridge regression only sets some coefficient estimates to zero, while Lasso regression can set more coefficients to zero

Q188: Which regression technique does not assume a linear relationship between predictor variables and the target variable?
a) Ordinary Least Squares (OLS) regression
b) Ridge regression
c) Lasso regression
d) K Nearest Neighbors (KNN) regression

Answer

Answer: d) K Nearest Neighbors (KNN) regression

Q189: What is the main characteristic of K Nearest Neighbors (KNN) regression?
a) It uses the average of the nearest K data points as the predicted value
b) It fits a line or plane to the data using OLS regression
c) It performs feature selection based on the distance metric
d) It assumes a linear relationship between predictor variables and the target variable

Answer

Answer: a) It uses the average of the nearest K data points as the predicted value

Q190: Which regression technique is non-parametric and does not make assumptions about the underlying data distribution?
a) Ordinary Least Squares (OLS) regression
b) Ridge regression
c) Lasso regression
d) K Nearest Neighbors (KNN) regression

Answer

Answer: d) K Nearest Neighbors (KNN) regression

Q191: Which regression technique is suitable for handling a large number of predictor variables?
a) Ordinary Least Squares (OLS) regression
b) Ridge regression
c) Lasso regression
d) K Nearest Neighbors (KNN) regression

Answer

Answer: c) Lasso regression

Q192: Which method is commonly used for predicting categorical outcomes and estimating probabilities?
a) Logistic regression
b) Classification tree
c) Clustering
d) Unsupervised learning

Answer

Answer: a) Logistic regression

Q193: What is the primary goal of logistic regression?
a) To minimize the sum of squared residuals between observed and predicted values
b) To classify data into specific categories or classes
c) To identify groups or patterns in the data
d) To estimate the mean value of a continuous outcome variable

Answer

Answer: b) To classify data into specific categories or classes

Q194: Which technique is used for segmenting data into homogeneous groups based on similarities in variables?
a) Logistic regression
b) Classification tree
c) Clustering
d) Unsupervised learning

Answer

Answer: c) Clustering

Q195: What is the primary purpose of unsupervised learning?
a) To predict outcomes based on labeled training data
b) To classify data into specific categories or classes
c) To discover patterns or structures in the data without labeled examples
d) To estimate the mean value of a continuous outcome variable

Answer

Answer: c) To discover patterns or structures in the data without labeled examples

Q196: Which method involves intentionally manipulating variables in a controlled experiment to generate data for analysis?
a) Logistic regression
b) Classification tree
c) Designed experiments
d) Active learning

Answer

Answer: c) Designed experiments

Q197: What is the main advantage of using designed experiments to create data for analytics?
a) It allows for the study of natural phenomena without intervention
b) It provides real-time feedback for model training
c) It enables the collection of large amounts of data quickly
d) It allows researchers to control and manipulate variables of interest

Answer

Answer: d) It allows researchers to control and manipulate variables of interest

Q198: Which method involves actively selecting and labeling data points to train a machine learning model?
a) Logistic regression
b) Classification tree
c) Designed experiments
d) Active learning

Answer

Answer: d) Active learning

Q199: What is the primary purpose of active learning?
a) To minimize the sum of squared residuals between observed and predicted values
b) To classify data into specific categories or classes
c) To maximize the information gained from each labeled data point
d) To estimate the mean value of a continuous outcome variable

Answer

Answer: c) To maximize the information gained from each labeled data point

Q200: Which method involves an agent learning to interact with an environment to maximize rewards?
a) Logistic regression
b) Classification tree
c) Reinforcement learning
d) Clustering

Answer

Answer: c) Reinforcement learning

List of Business Research Methods mcq practice set

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