Bivariate Data Exam

What do you call a set of data that involves 2 variables?

• univariate

• bivariate

• trivariate

• multivariate

Which of the following situations involve bivariate type of data?

• Darlene recorded the daily allowance of her 50 classmates.

• Darryl recorded the number of minutes 25 gym enthusiasts spend doing their work-out routines.

• Dan estimated that the average number of students with internet connection in a class of 50 students is 17.

• Wesley surveys the purchasing power and the number of hours spent for overtime work of 50 employees of a certain company.

In a Zumba class, an instructor recorded the number of minutes spent by the 15 participants and the number of calories they burned within the month. What are the variables presented in the situation above?

• number of minutes spent and the burned calories

• number of sessions attended and the burned calories

• burned calories and number of days spent in the session

• number of minutes spent and number of days present during the class

A health enthusiast finds out that the volume of water intake of an individual has an inverse effect on the accumulation of fats in his body. Does the situation presented involve bivariate data?

• No, because there are four variables involved.

• Yes, because there are two variables involved.

• No, because there are three variables involved.

• No, because there is only one variable involved.

Determine the variables involved in the situation below:

“Asta’s goal for the summer vacation is to have a healthy and fit body. He recorded the number of minutes he spends daily in doing abdominal exercises and his weight for 30 days. He found out that the longer he does abdominal exercise, the more weight he loses.”

• Asta’s weight

• Number of days spent and weight

• Number of minutes doing abdominal exercise and weight

• Number of minutes doing abdominal exercise and weight loss

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