Business Analytics Exam test
queries and answers graded A+
Of the following numerical variables, which is continuous? - ANS✅✅time in minutes
Molly Nelson has been collecting temperatures in degrees Fahrenheit, daily over the past five spring
seasons, to determine the optimal point to plant her heirloom tomatoes. Because the difference
between each degree is the same, irrelevant of the temperature, this is what type of measurement
scale? - ANS✅✅interval
The depth of drilling is what type of variable? - ANS✅✅continuous numerical
Cassidy is researching the impacts of eating breakfast on college students who have classes prior to 9
am. To do this, she issued a Likert scale questionnaire to the students, with a scale of 1 through 10 to
answer a series of 20 questions. What is the type of measurement scale? - ANS✅✅ordinal
Find the mode of the values: 1, 4, 5, 3, 4, 6, 1, 2, 4, 3, 2 - ANS✅✅4
The mean credit score is 640 out of 300 used car loan applicants with a standard deviation of 16.
Assuming a bell-shaped curve, what is the number of loan applicants that fall within a score of 608
and 672? - ANS✅✅285
Carmen is a professor at a local university. After collecting data on her Introduction to Business
course for a year, she wants to calculate the z-score for a student who scores 90 on the final exam.
The mean and the standard deviation scores on the exam are 76 and 6, respectively. Calculate the z-
score. - ANS✅✅(90-76)/6 = 2.33
If the coefficient correlation is computed to be −0.05, this means the relationship between the two
variables are __________blank. - ANS✅✅weak negative
The degree of strength of the linear relationship between x and y is called? - ANS✅✅correlation
coefficient
The following table is the summary statistics for Scores. Calculate the Sharpe ratio of growth.
Assume Rf = 4. - ANS✅✅(mean-rf)/std dev 5.438
queries and answers graded A+
Of the following numerical variables, which is continuous? - ANS✅✅time in minutes
Molly Nelson has been collecting temperatures in degrees Fahrenheit, daily over the past five spring
seasons, to determine the optimal point to plant her heirloom tomatoes. Because the difference
between each degree is the same, irrelevant of the temperature, this is what type of measurement
scale? - ANS✅✅interval
The depth of drilling is what type of variable? - ANS✅✅continuous numerical
Cassidy is researching the impacts of eating breakfast on college students who have classes prior to 9
am. To do this, she issued a Likert scale questionnaire to the students, with a scale of 1 through 10 to
answer a series of 20 questions. What is the type of measurement scale? - ANS✅✅ordinal
Find the mode of the values: 1, 4, 5, 3, 4, 6, 1, 2, 4, 3, 2 - ANS✅✅4
The mean credit score is 640 out of 300 used car loan applicants with a standard deviation of 16.
Assuming a bell-shaped curve, what is the number of loan applicants that fall within a score of 608
and 672? - ANS✅✅285
Carmen is a professor at a local university. After collecting data on her Introduction to Business
course for a year, she wants to calculate the z-score for a student who scores 90 on the final exam.
The mean and the standard deviation scores on the exam are 76 and 6, respectively. Calculate the z-
score. - ANS✅✅(90-76)/6 = 2.33
If the coefficient correlation is computed to be −0.05, this means the relationship between the two
variables are __________blank. - ANS✅✅weak negative
The degree of strength of the linear relationship between x and y is called? - ANS✅✅correlation
coefficient
The following table is the summary statistics for Scores. Calculate the Sharpe ratio of growth.
Assume Rf = 4. - ANS✅✅(mean-rf)/std dev 5.438
