Describe the relative effect of smoking

Assignment Help Basic Statistics
Reference no: EM131361576

A cohort study of smoking and bladder cancer was conducted in a small island population. There were a total of 1000 people on the island. Four hundred were smokers and 600 were not. Fifty of the smokers developed bladder cancer. Ten of the non-smokers developed bladder cancer.

  • Construct a two by two table using the data given above. Be sure to label the cells and margins.
  • Which measure of comparison would you use to describe the relative effect of smoking on the risk of bladder cancer?
  • What is the formula for this measure of comparison?
  • Calculate this measure of comparison using the given data.
  • State the meaning of your answer in one sentence.

Reference no: EM131361576

Questions Cloud

Find the lcs and scs of two given sequences : Let d(T,P) be the minimum edit distance between T and P when no substitutions are allowed (i.e., the only changes are character insertion and deletion). Prove that d(T,P) = |SCS(T,P)|-|LCS(T,P)| where |SCS(T,P)| (|LCS(T,P)|) is the size of the sho..
Calculate the crude influenza rate per : Use these data to calculate the crude influenza rate per 1,000 individuals per years in City A. What is the crude rate of influenza in City B?
Describe the issue of exposure to videogame violence : For his 10th birthday, Greg was given a handheld videogame system. His parents allowed him to pick any two games. They knew the games might contain violence, because there was a violence rating sign posted on the games, but rationalized that they ..
Calculate the product cost per unit for the basic products : ACC 200- Calculate the product cost per unit for the Basic and Advanced products under traditional costing. Calculate the price that would be charged for the Basic and the Advanced products under traditional costing.
Describe the relative effect of smoking : A cohort study of smoking and bladder cancer was conducted in a small island population. There were a total of 1000 people on the island. Four hundred were smokers and 600 were not. Fifty of the smokers developed bladder cancer. Ten of the non-smo..
Can you arrange a sequence of 2n steps : You start with an empty room and a group of n people waiting outside. At each step, you may either admit one person into the room, or let one out. Can you arrange a sequence of 2n steps, so that every possible combination of people is achieved exa..
Normally distributed with population standard deviation hour : A simple random sample of kitchen toasters is to be taken to determine the mean operational lifetime in hours. Assume that the lifetimes are normally distributed with population standard deviation hours.
What amount should a student deposit today : Tuition of $1218 will be due when the spring term begins in 4 months. What amount should a student deposit today, at 4.55%, to have enough to pay the tuition?
Find the length of the best encoding : Give an O(nmk) algorithm to find the length of the best encoding. You may assume that every string has at least one encoding in terms of the table.

Reviews

Write a Review

Basic Statistics Questions & Answers

  The weights of ripe watermelons grown at mr smiths farm

the weights of ripe watermelons grown at mr. smiths farm are normally distributed with a standard deviation of 2.7 lb.

  Conclusion of the price reduction

At the .01 significance level, can the manufacturer conclude that the price reduction resulted in an increase in sales?

  Single-elimination tournament

A single-elimination tournament with four players is to be held. In Game 1, the players seeded (rated) first and fourth play. In Game 2, the players seeded second and third play. In Game 3, the winners of Games 1 and 2 play, with the winner of Gam..

  A sample of 25 concession stand purchases at the may 12

A sample of 25 concession stand purchases at the May 12 matinee of Spider-Man 3 showed a mean purchase of $ 7.29 with a standard deviation of $ 3.02. For the May 18 evening showing of the same movie.

  A normal population has a mean of 60 and a standard

a normal population has a mean of 60 and a standard deviation of 11. you select a random sample of 9. compute the

  How many strings will contain at least 6 ba s

Consider strings of length 9 with elements being a, b or c. How many strings will contain at least 6 b a?

  Bob wishes to insure a priceless family heirloom against

bob wishes to insure a priceless family heirloom against theft. the annual premium for policy a is 150 and it will pay

  If a bank is selected at random from this distribution what

q1. consider a standard deck of cards that has 26 red cards and 26 black cards. find the probability of

  A researcher is interested

A researcher is interested in knowing if there are differences between the incidence of accidents among male and female pilots. They were able to collect 62 responses from a random number of pilots. Among them, 17 male pilots were in accidents, 26 we..

  A genetic experiment involving peas yielded one sample of

a genetic experiment involving peas yielded one sample of offspring consisting of 426 green peas and 145 yellow peas.

  Joint and marginal probability mass functions

A fair coin is tossed four times and X is number of heads on first three tosses and Y on last three. What is the joint probability mass function of x and y? What is the marginal pmf? Are X and Y independent?

  Estimate of the percent of american adults

Find the margin of error for this poll if we want 95% confidence in our estimate of the percent of American adults who approve of cloning humans.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd