STA154 Basic Statistics
Basic Statistics: 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.
- 2×Asked in 2079, 2078During one stage in the manufacture of integrated circuit chips, a coating must be applied. If 70% of chips received a thick enough coating, find the probability that among 15 chips (i) at least 12 will have thick enough coatings, (ii) at most 2 will have…Answer coming5
See the wording in each paper
- During one stage in the manufacture of integrated circuit chips, a coating must be applied. If 70% of chips received a thick enough coating, find the probability that among 15 chips (i) at least 12…TU Board 2079
- During one stage in the manufacture of integrated circuit chips, a coating must be applied. If 70% of chips received a thick enough Coating, find the probability that among 15 chips (1) at least 12…TU Board 2078
- 2×Asked in 2079, 2078The standard deviation of a symmetric distribution is 9. Compute the possible value of fourth central moment for the distribution to be (i) mesokurtic (ii) platykurtic, and (iii) leptokurtic. [5]Answer coming5
See the wording in each paper
- The standard deviation of a symmetric distribution is 9. Compute the possible value of fourth central moment for the distribution to be (i) mesokurtic (ii) platykurtic, and (iii) leptokurtic. [5]TU Board 2079
- The standard deviation of a symmetric distribution is 7. Compute the possible value of fourth central moment for the distribution to be 0) mesokurtic (ii) platykurtic, and (iii) leptokurtic. [5]TU Board 2078