Explore relation between alcohol consumption-hypertension

Reference no: EM13353722

1. A study was conducted to explore the relation between alcohol consumption and hypertension. 7400 nurses were surveyed and information about the amount of alcohol consumed per day (on average) and whether or not they suffered from hypertension was collected. The following table summarizes the information that was obtained.

Assuming the nurses surveyed were a random sample from the population of all nurses in the United States, we can use these data to test the null hypothesis H0 that there is no association between the row and column variables in this two-way table. The degrees of freedom for the X2 statistic for testing H0 is
A. 3.
B. 8.
C. 9.19.

2. A study was conducted to explore the relationship between a child's birth order and his or her chances of becoming a juvenile delinquent. The subjects were a random sample of girls enrolled in public high schools in a large city. Each subject filled out a questionnaire that measured whether or not they had shown delinquent behavior, and their birth order. The data are given in the table below.

Under the null hypothesis, the expected number of oldest children with delinquent behavior is

A. 27.75.
B. 37.12.
C. 154.5.

Reference no: EM13353722

Questions Cloud

Qa country that does not currently tax cigarettes is : q.a country that does not currently tax cigarettes is considering the introduction of a 0.40 per pack tax. the

Q1 charge a and charge b are 25 m apart charge a is 14c and : q1. charge a and charge b are 2.5 m apart. charge a is 1.4c and charge b is 2.5c. charge c which is 2.0 c is situated

Q1 a monopoly with constant marginal costs of 50 can sell : q1. a monopoly with constant marginal costs of 50 can sell to three groups of potential consumers with demands q1 800

Q1 a proton moves perpendicular to a uniform magnetic field : q1. a proton moves perpendicular to a uniform magnetic field b at 1.6 multiplied by 107 ms and experiences an

Explore relation between alcohol consumption-hypertension : 1.a study was conducted to explore the relation between alcohol consumption and hypertension. 7400 nurses were surveyed

Qsuppose a computer virus disables the nations automatic : q.suppose a computer virus disables the nations automatic teller machines atm manufacture departure s from bank

Q1 a 1000 rm kg wrecking ball hangs from a 15 rm m-long : q1. a 1000 rm kg wrecking ball hangs from a 15 rm m-long cable. the ball is pulled back until the cable makes an angle

Q throughout history the most popular form of money has : q. throughout history the most popular form of money has been gold.a. give three reasons why gold has been such a

Q1 in a science fiction story a microscopic black hole is : q1. in a science fiction story a microscopic black hole is given the enormous positive charge by firing an

User Account

All Pages