Value of percentile-given mean and third quartile

Assignment Help Basic Statistics

Reference no: EM1320043

Scores on a test have a mean of 73 and Q3 is 81. The scores have a distribution that is approximately normal. Find P90. (You will need to first find the standard deviation.)

a. 88.8

b. 88.3

c. 87.1

d. 87.6

Reference no: EM1320043

Questions Cloud

Calculating correlation coefficient for the given data : Calculate the correlation coefficient and prediction equation.

What is the coefficient of kinetic friction acting on disk : While john is travelling along an interstate highway, he notices a 160 mile marker as he passes through town. Later John passes another mile marker, 119.

Calculate the breakeven point : Calculate the breakeven point

What is the displacement of the car from the point of origin : An airplane starting from airport A flies 304 km east, then 364 km at 35.5° west of north, and then 150 km north to arrive at last at airport B.

Value of percentile-given mean and third quartile : Scores on a test have a mean of 73 and Q3 is 81. The scores have a distribution that is approximately normal. Find P90.

What is the distance between your eye and the image : A butterfly at eye level is 26 cm in front of a plane mirror. You are behind the butterfly, 48 cm from the mirror. What is the distance between your eye and the image of butterfly in the mirror.

What is the volume discharged per unit time : An airplane maintains a speed of 567 km/h relative to the air it is flying through as it makes a trip to a city 745 km away to the north.

Calculate the breakeven point : Calculate the breakeven point.

Standard deviation and standard error for each group : Compute the mean, standard deviation, median, and standard error for each group.

User Account

All Pages