Bana 3363 Study guides, Class notes & Summaries

BANA 3363 QUIZ QUESTIONS WITH COMPLETE SOLUTIONS X is a normal variable with mean of -8 and variance of 97. What is the z-statistic when x = 3? - Answer-1.12 ± 5% Which of the following statistics is a measure of central location? - Answer-All of these choices are true What is the variance of a variable that has a standard normal distriubtion? - Answer-is always equal to 1.0. A graduate student at SHSU wants to estimate the proportion of first-year students who were first-generation c...

BANA 3363 Exam Questions with Correct Answers After a state-wide election, the Secretary of State certified that Candidate A won the full election with 56% of the vote when all ballots were counted. What does the number "56%" represent? - Answer-parameter In 2017, the Pew Internet & Life Project conducted web interviews with a sample of 4787 American adults aged 18 and older about online shopping. It was found that 79% of the participants in the survey reported that they shop online at ...

BANA 3363 Set 2 Exam Questions with Correct Answers A confidence interval is a range of values within which we are confident (based on the method used to calculate the interval) that the actual value of a population parameter (such as μ, the population mean) will fall. - Answer-True Values from the standard normal (Z) distribution are used most often in practice to form confidence intervals for means because even though the population mean, µ, is unknown, the population standard deviati...

BANA 3363 EXAM 4 QUESTIONS WITH CORRECT ANSWERS A regression analysis between weight (y in pounds) and height (x in inches) resulted in the following least squares line: ŷ = 135 + 6 x . This implies that if the height is increased by 10 inches, the weight is expected to increase by an average of 195 pounds. - Answer-False A simple linear regression equation is given by ŷ = 5.25 + 3.8x. The point estimate of y when x= 4 is 20.45. - Answer-True A regression analysis between sales (in ...

BANA 3363 Test Questions with Correct Answers Case Problem: Young Professional Magazine Young Professional magazine was developed for a target audience of recent college graduates who are in their first 10 years of a business or other professional career. The magazine has been fairly successful and the publisher is interested in expanding the publication's advertising base. As a recent hire into the marketing department at the magazine, you have been asked to help develop a survey asking r...

BANA 3363 Exam with Complete Solutions Which of the following is not a part of the formula for constructing a confidence interval estimate of the population mean? - Answer-The value of the population mean The sample variance is a point estimate of the population variance - Answer-True The width of confidence interval estimate for a proportion will be - Answer-Narrower for 90% confidence level than for 95% confidence level A point estimator is defined as: - Answer-A single value that...

BANA 3363 EXAM 3 WITH COMPLETE SOLUTIONS A chi-squared test of a contingency table is applied to a contingency table with 4 rows and 4 columns for two categorical variables. The degrees of freedom for this test must be 9. - Answer-True In a test of a contingency table, rejecting the null hypothesis concludes the variables are not independent. - Answer-True The sampling distribution of the test statistic for a goodness-of-fit test with k categories is a: - Answer-chi-squared distribution...

BANA 3363 QUIZ QUESTIONS WITH COMPLETE SOLUTIONS X is a normal variable with mean of -8 and variance of 97. What is the z-statistic when x = 3? - Answer-1.12 ± 5% Which of the following statistics is a measure of central location? - Answer-All of these choices are true What is the variance of a variable that has a standard normal distriubtion? - Answer-is always equal to 1.0. A graduate student at SHSU wants to estimate the proportion of first-year students who were first-generatio...

BANA 3363 Exam Questions with Correct Answers After a state-wide election, the Secretary of State certified that Candidate A won the full election with 56% of the vote when all ballots were counted. What does the number "56%" represent? - Answer-parameter In 2017, the Pew Internet & Life Project conducted web interviews with a sample of 4787 American adults aged 18 and older about online shopping. It was found that 79% of the participants in the survey reported that they shop online at l...

BANA 3363 Set 2 Exam Questions with Correct Answers A confidence interval is a range of values within which we are confident (based on the method used to calculate the interval) that the actual value of a population parameter (such as μ, the population mean) will fall. - Answer-True Values from the standard normal (Z) distribution are used most often in practice to form confidence intervals for means because even though the population mean, µ, is unknown, the population standard deviatio...