1. What is true about these 5 numbers? -10, -5, 0, 1, 2
2. What is expected value?
3. Which of the following examples involves paired data?
4. An auto analyst is conducting a satisfaction survey, sampling from a list of 10,000 new car buyers. The list includes 2,500 Ford buyers, 2,500 GM buyers, 2,500 Honda buyers, and 2,500 Toyota buyers. The analyst selects a sample of 400 car buyers, by randomly sampling 100 buyers of each brand. Is this an example of a simple random sample?
5. C(n,0) = C(n,n)
6. In a multiple regression model, what is the best way to test the joint significance of the independent variables?
7. If a company's production is consistently going down due to some reasons, which technique or method would you employ to analyze those reasons/causes?
8. Compute the Range for the given hourly wages (in $) of janitors
Statistics & Probability MCQs | Topic-wise