STA169 Statistics I
Statistics I: most repeated questions
Questions that have come up in more than one paper, matched by what they ask rather than exact wording. Most repeated first.
- 3×Asked in 2078, 2076, 20751. What do you understand by Poisson distribution? What are its main features? 1. What do you mean by joint probability distribution function? Write down its properties.Answer coming10
See the wording in each paper
- 1. What do you understand by Poisson distribution? What are its main features? 1. What do you mean by joint probability distribution function? Write down its properties.TU Board 2078
- 1. Define Normal distribution. What are the main characteristics of a Normal distribution? 1. What do you mean by probability density function? Write down its properties.TU Board 2076
- 1. What do you understand by binomial distribution? What are its main features? 1. What do you mean by marginal probability distribution? Write down its properties.TU Board 2075
- 3×Asked in 2078, 2076, 2075If two random variables have the joint probability density function f(x, y) = \ matrixk(2x + 3y), for 0 x 1, 0 y 1 \\ 0, otherwise matrix . Find (i) constant k (ii) conditional probability density function of X (iii) Identify whether X and Y are independent.Answer coming5
See the wording in each paper
- If two random variables have the joint probability density function f(x, y) = \ matrixk(2x + 3y), for 0 x 1, 0 y 1 \\ 0, otherwise matrix . Find (i) constant k (ii) conditional probability density…TU Board 2078
- If two random variables have the joint probability density function f(x, y) = \ matrixk(2x + 3y), for 0 x 1, 0 y 1 \\ 0, otherwise matrix . Find (i) constant k (ii) conditional probability density…TU Board 2076
- If two random variables have the joint probability density function f(x, y) = \ matrixKe^ (x+y), 0 < x < ∞, 0 < y < ∞\\ 0, otherwise matrix . Find (i) constant k (ii) Conditional probability density…TU Board 2075
- 2×Asked in 2078, 2075Calculate Q 1, D 7 and P 58 from the following data and interpret the results. Weight 0 10 10 15 20 25 25 30 30 35 35 40 40 45 45 50 50 60 No, of person 4 8 30 15 13 6 4 4 1Answer coming5
See the wording in each paper
- Calculate Q 1, D 7 and P 58 from the following data and interpret the results. Weight 0 10 10 15 20 25 25 30 30 35 35 40 40 45 45 50 50 60 No, of person 4 8 30 15 13 6 4 4 1TU Board 2078
- Calculate Q 3, D 6, and P 80 from the following data and interpret the results. Respiratory rate 10 15 20 25 30 35 40 45 50 No. of Person 8 12 36 25 28 18 9 12 6TU Board 2075