Gamification DA&ONC

If the values of two variables move in the same direction, ___________?

• They are independent
• There is no correlation
• They are positively correlated
• They are negatively correlated

Which of the following techniques is used to analyze the relationship between study hours and exam scores to predict the performance of students?

• Regression analysis

• Descriptive analysis

• Causal analysis

• Correlation analysis

Variance of the number of goals scored by Shreya in a football match is

• 0

• Shreya

• 2

• 1

During a fun game, Tisha, Naira, and Mira received the following number of calls on 7 consecutive days: 11, 13, 17, 13, 23, 25, 19. What is the median number of calls received?

• 19

• 23

• 13

• 17

When the average age of Sanya, Arnav, and Nikita is 18, what is the average age of the sample population?

• Negative 18

• 100

• 18

• 0

Which of the following is a SAS syntax requirement?

 

a.  Begin each statement in column one.
b.  Put only one statement on each line.
c.  Separate each step with a line space.
d.  End each statement with a semicolon.
e.  Put a RUN statement after every DATA or PROC step.

 

• d
• c
• b
• a

Avani, Eshaan, and Viaan are working on a project. Which of the following steps is typically used to generate reports and graphs?
a.  DATA
b.  PROC
c.  REPORT
d.  RUN

• a

• c

• d

• b

Which plotting library is commonly used in R by students?

• plotly

• seaborn

• matplotlib

• ggplot2

How can Tara, Neha, and Aanya have fun finding the missing value in a dataset using R?

• Using the is.na() function

• Using the not.na() function

• Using the missing() function

• Using the is.null() function

During the first 10 overs of a cricket game, the run rate was only 3.2. What should be the run rate in the remaining 40 overs to help Aashi, Aanya, and Ishaan reach the target of 282 runs?

• 6.75

• 6.25

• 5.5

• 8.2