Ask Question, Ask an Expert

+61-413 786 465

[email protected]

Ask Statistics and Probability Expert

Statistics


Home >> Statistics and Probability

Certain types of diseases tend to occur in clusters. In particular, persons affected with AIDS, syphilis, and tuberculosis may have some common characteristics and associations which increase their chances of contracting these diseases. The following table lists the number of reported cases by state in 2001.

State AIDS Syphills Tuber State AIDS
AL 438 720 265 MT 15
AK 18 9 54 NE 74
AZ 540 1147 289 NV 252
AR 199 239 162 NH 40
CA 4315 3050 3332 NJ 1756
CO 288 149 138 NM 143
CT 584 165 121 NY 7476
DE 248 79 33 NC 942
DC 870 459 74 ND 3
FL 5138 2914 1145 OH 581
GA 1745 1985 575 OK 243
HI 124 41 151 OR 259
ID 19 11 9 PA 1840
IL 1323 1541 707 HI 103
IN 378 529 115 SC 729
IA 90 44 43 SD 25
KS 98 88 63 TN 602
KY 333 191 152 TX 2892
LA 861 793 294 UT 124
ME 48 16 20 VT 25
MD 1860 937 262 VA 951
MA 765 446 270 WA 532
MI 548 1147 330 WV 100
MN 157 132 239 WI 193
MS 418 653 154 WY 5
MO 445 174 157 All States 41,868

a. Construct a scatterplot of the number of AIDS cases versus the number of syphilis cases.

b. Compute the correlation between the number of AIDS cases and the number of syphilis cases.

c. Does the value of the correlation coefficient reflect the degree of association shown in the scatterplot?

d. Why do you think there may be a correlation between these two diseases?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M91733474

Have any Question?


Related Questions in Statistics and Probability

Introduction to epidemiology assignment -assignment should

Introduction to Epidemiology Assignment - Assignment should be typed, with adequate space left between questions. Read the following paper, and answer the questions below: Sundquist K., Qvist J. Johansson SE., Sundquist ...

Question 1 many high school students take the ap tests in

Question 1. Many high school students take the AP tests in different subject areas. In 2007, of the 144,796 students who took the biology exam 84,199 of them were female. In that same year,of the 211,693 students who too ...

Basic statisticsactivity 1define the following terms1

BASIC STATISTICS Activity 1 Define the following terms: 1. Statistics 2. Descriptive Statistics 3. Inferential Statistics 4. Population 5. Sample 6. Quantitative Data 7. Discrete Variable 8. Continuous Variable 9. Qualit ...

Question 1below you are given the examination scores of 20

Question 1 Below you are given the examination scores of 20 students (data set also provided in accompanying MS Excel file). 52 99 92 86 84 63 72 76 95 88 92 58 65 79 80 90 75 74 56 99 a. Construct a frequency distributi ...

Question 1 assume you have noted the following prices for

Question: 1. Assume you have noted the following prices for paperback books and the number of pages that each book contains. Develop a least-squares estimated regression line. i. Compute the coefficient of determination ...

Question 1 a sample of 81 account balances of a credit

Question 1: A sample of 81 account balances of a credit company showed an average balance of $1,200 with a standard deviation of $126. 1. Formulate the hypotheses that can be used to determine whether the mean of all acc ...

5 of females smoke cigarettes what is the probability that

5% of females smoke cigarettes. What is the probability that the proportion of smokers in a sample of 865 females would be greater than 3%

Armstrong faber produces a standard number-two pencil

Armstrong Faber produces a standard number-two pencil called Ultra-Lite. The demand for Ultra-Lite has been fairly stable over the past ten years. On average, Armstrong Faber has sold 457,000 pencils each year. Furthermo ...

Sppose a and b are collectively exhaustive in addition pa

Suppose A and B are collectively exhaustive. In addition, P(A) = 0.2 and P(B) = 0.8. Suppose C and D are both mutually exclusive and collectively exhaustive. Further, P(C|A) = 0.7 and P(D|B) = 0.5. What are P(C) and P(D) ...

The time to complete 1 construction project for company a

The time to complete 1 construction project for company A is exponentially distributed with a mean of 1 year. Therefore: (a) What is the probability that a project will be finished in one and half years? (b) What is the ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As

Follow Us

© Copyright 2013-14 mywordsolution.com All rights reserved