Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. the following data are the ages (in years) at diag

The following data are the ages (in years) at diagnosis for 20 patients under treatment for...

50.1K

Verified Solution

Question

Basic Math

The following data are the ages (in years) at diagnosis for 20patients under treatment for meningitis: 18 18 25 19 23 20 69 18 2118

20 18 18 20 18 19 28 17 18 18

(a) . Calculate and interpret the values of the samplemean, variance, and standard deviation.

(b) . Compute the sample median. Why might yourecommend it as a measure of centre rather than the sample mean?2

(c) . Compute the upper fourth, the lower fourth, andthe fourth spread. (d) . Illustrate the center, spread,and symmetry or skewness of this data using a horizontal modifiedboxplot.

Answer & Explanation Solved by verified expert
4.3 Ratings (869 Votes)
aFollowing table shows the calculationsXXmean21817222518172225258122519992252307225204622569219492251817222521132251817222520462251817222518172225204622518172225199922528342225172652251817222518172225Total443245455Sample mean shows    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Basic Math
1.2K views

Suppose there was no correlation between the Test Screen and the medical assessment of disease (i.e....

Civil Engineering
1.2K views

Determine the nominal concrete cover for a simply supported beam with exposure condition XC4. The concrete...

Psychology
1.2K views

This paper is an opportunity for you to apply some of the psychological principles taught in...

Physics
1.2K views

26 A body cools from a temperature 37 to 27 in 10 minutes The room...

Basic Math
1.2K views

Orthogonally diagonalize the matrix by finding an orthogonal matrix Q and a diagonal matrix D...

Algebra
1.2K views

The graph of a function f is given On the same axes sketch the graph...

Algebra
1.2K views

Angle ? is in quadrant III and angle ? is in quadrant IV. If sin...

Accounting
1.2K views

The Sixteenth Amendment to the U.S. Constitution was passed to overturn a Supreme Court decision...

Accounting
1.2K views

Case Study 1: Agency & bros is a general partnership business consisting of...

Accounting
1.2K views

please help Rory Company has a machine with a book value...

Accounting
1.2K views

$250 per pound. Each month's ending raw materials inventory shoufd equal 40 ofi. of the...

Accounting
1.2K views

Lease contracts entered into by New Inc., a lessee, specify that the lessor is to...