answers correctly solved 2025/2026
Which of the following statistics are unaffected by a single large outlier? - correct answer ✔Median,
Variance, Interquartile Range
Which of the following is most suitable for policy making based on income distribution? - correct
answer ✔Median
If we study data from a population whose mean is 200 and standard deviation is 30, which of the
following data points has a z-score of -3? - correct answer ✔110
Which of the following statistics are measures of spread or variability of a dataset? - correct answer
✔Range, Variance
An experiment consist of rolling a dice and flipping a coin. Which two choices below best apply for
computing the probability of rolling a 6 on a dice AND flipping a head on a coin? - correct answer
✔Multiplication, Intersection
An experiment consists of rolling dice and flipping a coin. Which two choices below best apply for
computing the probability of rolling a dice OR flipping a head on a coin? - correct answer ✔Addition,
Union
The probability that a baby is a girl, given that the baby is wearing pink is 0.8. The probability that a baby
is a girl is 0.5. Which of the choices below best applies for determining the probability that a baby is
wearing pink GIVEN THAT the baby is a girl? - correct answer ✔Bayes Theorem