Chapter 2: Q. 2.20 (page 95)

On a $60$ point written assignment, the $80 t h$ percentile for the number of points earned was $49$ . Interpret the $80 t h$ percentile in the context of this situation.

Short Answer

Expert verified

It's worth noting that the percentile doesn't always equal the value of an observation because it's calculated using sample data. As a result, the percentile may not correspond to any of the data points. The

80 t h

percentile is

49

, thus the data below is

80

percent and the data above is

20

percent.

Step by step solution

Introduction

On a scale of $60$ , the $80 t h$ percentile signifies that the number above it represents 20 % observation and the number below it represents $80 %$ observation.

Explanation

We split the population into

100

sub-parts, and the above to percentile value is

100 * (1 - p) %

observation, while the below to percentile value is

100 * p %

observation. where

0

is the starting point

Unlock Step-by-Step Solutions & Ace Your Exams!

Full Textbook Solutions
Get detailed explanations and key concepts
Unlimited Al creation
Al flashcards, explanations, exams and more...
Ads-free access
To over 500 millions flashcards
Money-back guarantee
We refund you if you fail your exam.

Start your free trial

Over 30 million students worldwide already upgrade their learning with Vaia!

Recommended explanations on Math Textbooks

View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

On a $60$ point written assignment, the $80 t h$ percentile for the number of points earned was $49$ . Interpret the $80 t h$ percentile in the context of this situation.

Short Answer

Step by step solution

Introduction

Explanation

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Probability and Statistics

Logic and Functions

Mechanics Maths

Calculus

Statistics

Decision Maths

Study anywhere. Anytime. Across all devices.

On a 60point written assignment, the 80thpercentile for the number of points earned was 49. Interpret the 80thpercentile in the context of this situation.

Short Answer

Step by step solution

Introduction

Explanation

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Probability and Statistics

Logic and Functions

Mechanics Maths

Calculus

Statistics

Decision Maths

Study anywhere. Anytime. Across all devices.

On a $60$ point written assignment, the $80 t h$ percentile for the number of points earned was $49$ . Interpret the $80 t h$ percentile in the context of this situation.