All questions
Filters
Question type / Difficulty / Years (8)
Q1
Which of the following statement(s) is/are correct?
Multiple correct
Q2
What can be said about the association between the two variables “Reaction” and “Gender”?
Comprehension
Q3
The following table shows the interest of engineering students in Core and Software skills. Find the probability that a student is interested in Software skills, given that the student is male. Enter the answer correct to 2 decimal accuracy.
Integer answer
Q4
contains observations of the bowling speed of a bowler and contains the observations of the bowling speed of another bowler. It is noted that each observation of is times each observation of . If the sample variance of is , then calculate the sample covariance between and .
Single correct
Q5
Which of the following statements is/are incorrect about correlation coefficient?
Multiple correct
Q6
An analyst wants to know if the grades of a student are affected by the mode of delivery of education. He collects the data of students for the analysis and tabulates it in Table 1.1.Q. Choose the correct option(s).
Multiple correct
Q7
Calculate the absolute value of Point Bi-serial correlation coefficient between smoking behaviour and average working hours per week. Enter the answer correct to decimal places.
Comprehension
Q8
Are the average working hours per week of the employees strongly influenced by their smoking behaviour?
Comprehension
Showing 8 questions.