Quiz Space

Statistics for Data Science I · Quiz 1 · 13 Jul 2025 · May 2025 term

Question 10: A fitness coach records whether the clients meet their w…

Question 10

+5 marksNumerical answer

A fitness coach records whether the clients meet their weekly exercise goal (Yes = 1, No = 0) and their body fat percentage after 3 months. The data is collected from four clients and represented in Table Q.2.

Calculate the absolute Point BI serial correlation coefficient between the exercise goal and body fat (%). Enter the answer correct up to two decimal places.

Show answer

Correct answer: 0.71 (accepted within ±0.03)

See the whole paperTake it as a mock test

Question 10 of 14 in the IIT Madras BS Statistics for Data Science I (Stats 1) Quiz 1 paper sat on 13 Jul 2025, in the May 2025 term (IIT M DIPLOMA AN EXAM QDD2 13 July 2025). It carries 5 marks.

More questions from this paper

  1. Q1The marks obtained by Meera in six tests are:\ 55, 60, 60, 62, 65, 68\ If she scores 70 marks in the seventh test, how …
  2. Q2In February 2025, a health organization collected information from five patients at a clinic to study lifestyle and hea…
  3. Q3Which of the following option(s) is/are correct?
  4. Q4A government agency aims to evaluate the cleanliness standards of hospitals in a specific district of Uttar Pradesh. To…
  5. Q5In a university, 12,500 students appeared in a qualifier exam. Table Q.1 shows the result of the students based on thei…
  6. Q6Two different coding bootcamps recorded how many hours their top 4 students took to finish their final project:\ Bootca…
  7. Q7The mean of the dataset 6, 9, y, 15, 20 is 12. What is the sample standard deviation of the new dataset if 5 is added t…
  8. Q8A company conducted an online test as part of its hiring process. The test completion times (in minutes) for 8 candidat…
  9. Q9Figure Q.1 represents the time (in minutes) spent by 6 students on a math puzzle during the first week. In the second w…
  10. Q11A survey was conducted among X number of college students to find out how many online courses they completed during a s…
  11. Q12A survey was conducted among X number of college students to find out how many online courses they completed during a s…
  12. Q13Figure Q.2 represents the percentage of employees from various departments who attended a company’s professional develo…
  13. Q14Figure Q.2 represents the percentage of employees from various departments who attended a company’s professional develo…