Mathematics, 06.06.2020 15:58 lbelle

In a data distribution, the first quartile, the median and the means are 30.8, 48.5 and 42.0 respectively. If the coefficient skewness is −0.38 a) What is the approximate value of the third quartile (Q3 ), correct to 2 decimal places.
b)What is the approximate value of the variance, correct to the nearest whole number

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 14:20, keshastar82810

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

Answers: 1

continue

Mathematics, 21.06.2019 16:20, Quantajah

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

Answers: 3

continue

Mathematics, 21.06.2019 20:10, kendall984

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm

Answers: 1

continue

Mathematics, 21.06.2019 21:00, nanda22

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

Answers: 1

continue

You know the right answer?

In a data distribution, the first quartile, the median and the means are 30.8, 48.5 and 42.0 respect...