ISDS 361A

ISDS 361A FINAL EXAM 2024 WITH 100% CORRECT ANSWERS uses all the data (the most efficient) - correct answer Standard deviation Probability - correct answer likelihood that a particular event will occurlikelihood that the random variable takes values within a particular range. coefficient of variation formula - correct answer standard deviation/mean coefficient of variation - correct answer A measure of relative variability computed by dividing the standard deviation by the mean an...

ISDS 361A Exam 1 Questions and Answers 100% Pass Statistics a way of getting information -helps make valid decisions. Data the facts and figures collected, analyzed, and summarized for presentation and interpretation information Data converted into a meaningful and useful context business decisions these include strategic decisions (very important ones which can affect the overall success of the business) Business Analytics the scientific process of transforming data into in...

ISDS 361A FINAL EXAM LATEST UPDATE...

ISDS 361A PRACTICE EXAM ...

ISDS 361A Exam 2 Study Guide with Questions and Answers Suppose a random sample of 18 uber drivers was taken, and the average age x̄ of these drivers was found to be 27.5 years. Construct a 99% confidence interval for the mean age (µ) of all drivers. Assume that the age of drivers is normally distributed with a population standard deviation (σ) of 2.3 years. The standard error (SE) of x̄ is: ANSWER 0.54 SE= sigma/sqrt (n) n 18 mean 27.5 sigma 2.3 Suppose a random sample of 18 ube...

ISDS 361A Final Exam Concept Questions and Answers uses all the data (the most efficient) ANSWER Standard deviation Probability ANSWER likelihood that a particular event will occurlikelihood that the random variable takes values within a particular range. coefficient of variation formula ANSWER standard deviation/mean coefficient of variation ANSWER A measure of relative variability computed by dividing the standard deviation by the mean and multiplying by 100. if the mean order d...

CSUF ISDS 361A Practice Exam 2 Version B Skordi Questions and Answers The following 5 questions are based on this information. Suppose a random sample of 18 uber drivers was taken, and the average age X¯ of these drivers was found to be 27.5 years. Construct a 99% confidence interval for the mean age (µ) of all drivers. Assume that the age of drivers is normally distributed with a population standard deviation (σ) of 2.3 years. ANSWER You need to know this for the next five questions ...

A+ ISDS 361A Final Study Guide with Questions and Answers What is business statistics ANSWER Using STATISTICS *we draw conclusions* (extract useful information!) from data. With the extracted information, statistics help managers to make valid business decisions in response to such questions. What is business analytics ANSWER *Business Analytics* is defined as the scientific process of transforming data into insights for making better business decisions. Data, information, and decisi...

ISDS 361A Exam with Questions and Answers Business statistics ANSWER - Get information from data - Utilizing statistics we draw conclusions Business Analytics ANSWER is defined as the scientific process of transforming data into insight for making better business decisions Data ANSWER are the facts and figures collected, analyzed, and summarized for presentation and interpretation. Information ANSWER what is extracted from the data 3 types of measurement scales ANSWER - Nominal ...

ISDS 361A Midterm 1 Exam with Latest Questions and Answers Descriptive statistics ANSWER numerical data used to measure and describe characteristics of groups. Includes measures of central tendency and measures of variation. Inferential statistics ANSWER numerical data that allow one to generalize- to infer from sample data the probability of something being true of a population Exit polls ANSWER A random sample of voters who exits the polling booth are asked for whom they voted. Pop...