Quantitative Proficiency Test (Worldquant University) Updated 2025 With Complete Solutions
QUANTITATIVE PROFICIENCY TEST (WORLDQUANT UNIVERSITY) UPDATED 2025 WITH COMPLETE SOLUTIONS Categorical (or qualitative) data - (ANSWER)data so that we can divide the respondents up into groups ex: ethnicity, gender Quantitative data - (ANSWER)number data where we can perform meaningful arithmetic ex: weight, temp, height examples of number data (not quantitative) - (ANSWER)-zip code -Jersey number or Student Number -Scale data (on a scale of 1-5, how well do you like something?). People might perceive 1 and 2 to be more similar than 4 and 5. A population is the _______ group of people or objects from which you would like some _____________. - (ANSWER)entire, information A sample is the _____ of the population that you actually examine. - (ANSWER)part A parameter is a number that __________ a population (it is the truth). - (ANSWER)describes A statistic is a number that describes a ___________. - (ANSWER)sample Simple random sample - (ANSWER)(like drawing names from a hat) This works well because any person in the population has an equal chance of being sampled true or false: Simple random sample is a good sample because it's completely random - (ANSWER)true A ___________ random sample is when the population is first ____________ into different groups, then ___________ random samples are taken from each group. - (ANSWER)stratified, divided, simple Quota sampling is - (ANSWER)Collecting samples until the desired quota is met
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