Question

Determine if the following statements are true or false. a. The third quartile separates the lowest 25% of the data from the highest 75% of the data. b. The second quartile is the same as the median. C. The first quartile is the same as the 25th percentile. d. The five-number summary consists of the following values: (minimum, first quartile, mean, third quartile, maximum)

Answer 1

DATE:30-07-2020

ANSWER:---------

1 answer:

a)The third quartile seperates the lowest 75% of the data from the highest 25% of the data .Hence the given statement is FALSE.

b)The second quartile is the same as median.

Correct option:TRUE

c)Q1 is the same as 25th percentile.

Correct option:TRUE

d)No,the five number summary consists:(Minimum,Q1,Median,Q3,Maximum).Hence there is median instead of mean.

Correct option:FALSE

2nd answer:

a). The probability that the computer contains either virus or a worm or both? PGX 0W) = P(V) +PCW) - P (vow) P(V) + PCW)-P(v and w) - 0.15 +0.05-0.03. b). The probability PCruw)). 0.17 that the computer does not Contain a a virus. - 1-PCV) = 1- 0.15. - 0.85 CS Searned with Camscanne