Statistics for Data Science I Quiz 1: 19 July 2026 (May 2026 term)

Select all that apply.

1. A

   "All scholars in the institute" represents the population, while "the 200 selected scholars" represents the sample.

2. B

   The "preferred mode of research" is a qualitative variable, whereas the "time spent on research per week" is a quantitative variable.

3. C

   The time spent on research per week is a categorical variable.

4. D

   The Registration numbers are numerical variables.

5. E

   Monthly stipend measured in rupees is a numerical variable.

Select all that apply.

1. A

   A person ranked 2nd performed twice as well as a person ranked 4th.

2. B

   A temperature of is twice as hot as a temperature of .

3. C

   A package weighing kg is twice as heavy as a package weighing kg.

4. D

   Blood groups do not have a natural ordering.

Select all that apply.

1. A

   Monthly electricity consumption of a household from January 2025 to December 2025 is a Time-series data.

2. B

   Marks obtained by all students in a Statistics exam in Quiz 1 is a Time-series data.

3. C

   Monthly salaries of 500 employees in a company recorded in June 2026 is a cross-sectional data.

4. D

   Marks obtained by a particular student in Statistics tests conducted every month during the year is cross sectional data.