Properties of the Normal Distribution. A class of 315 students took a final examination in mathematics.

Favorites|Homepage
Subscriptions | sitemap

HOME > > Properties of the Normal Distribution. A class of 315 students took a final examination in mathematics.

Properties of the Normal Distribution. A class of 315 students took a final examination in mathematics.

[From: ] [author: ] [Date: 13-01-23] [Hit: ]

a) Joey,How did they determine that?z-score = (78-68)/8.5 = 1.Now look up 1.176 in a standard normal table: 0.......

A class of 315 students took a final examination in mathematics. The mean score on the examination was 68% with a standard deviation of 8.5%. Determine the percentile rank of each of the following people:

a) Joey, who scored 78%

ANSWER: 88th percentile

How did they determine that?

-

Kimberly

z-score = (78-68)/8.5 = 1.176

Now look up 1.176 in a standard normal table: 0.8802 or 88% percentile

hope that helped

1

keywords: final,Normal,of,315,examination,mathematics,class,in,Distribution,Properties,students,took,the,Properties of the Normal Distribution. A class of 315 students took a final examination in mathematics.

New

Hot