Question

In: Statistics and Probability

A social psychologist is interest in whether there is a relationship between cohabitation before marriage and...

A social psychologist is interest in whether there is a relationship between cohabitation before marriage and divorce. A random sample of 150 couples that were married in the past 10 years in a Midwestern city were asked if they lived together before getting married and if their marriage was still intact. The following results were obtained. Using α=0.05, what do you conclude?

Divorced

Still Married

58

42

Cohabitated before marriage

18

32

Did not cohabit before marriage

Solutions

Expert Solution


orchestra answered 1 year ago
Next > < Previous

Related Solutions

Is there a relationship between the length of marriage and satisfaction with marriage? The necessary information...
Is there a relationship between the length of marriage and satisfaction with marriage? The necessary information has been collected from a random sample of 100 respondents from a local community.   Interpret your results. Which cell has the largest difference in value between expected and observed frequencies? Calculate one measure of the strength of association between the two variables or Cramer’s v. Useχ2  (chi-squared)  (critical)=5.991 and α=.05. Follow the major steps in the five-step model and draw a chart.  
A psychologist would like to determine whether there is any consistent relationship between intelligence and creativity.  The...
A psychologist would like to determine whether there is any consistent relationship between intelligence and creativity.  The psychologist obtains a random sample of n = 18 people and administers a standardized IQ test and a creativity test to each individual.  Using these data, the psychologist obtains a Pearson correlation of r = +.20 between IQ and creativity. a.  Do the sample data provide sufficient evidence to conclude that a real (non-zero)      correlation exists in the population?  Test at the .05 level of significance. b.  If...
: Is marriage a personal relationship or a social institution? (focus on the macro-level nature of...
: Is marriage a personal relationship or a social institution? (focus on the macro-level nature of marriage and the difference between it and the micro-level nature of marriage)
A psychologist is interested in the relationship between color of food and appetite. To explore this...
A psychologist is interested in the relationship between color of food and appetite. To explore this relationship, the researcher bakes small coockies with icing of one of three different colors (green, red or blue). The researcher offers cookies to subjects while they are performing a boring task. Each subject is run individually under the same conditions, except for the color of the icing on the cookies that are available. Six subjects are randomly assigned to each color. The number of...
What is the relationship between the interest rate and futurevalue? What is the relationship between...
What is the relationship between the interest rate and future value? What is the relationship between the interest rate and present value? You can use intuition, math, or both to explain.
Research Scenario A A psychologist is interested in the relationship between color of food and appetite....
Research Scenario A A psychologist is interested in the relationship between color of food and appetite. To explore this relationship, the researcher bakes small cookies with icing of one of three different colors (green, red, or blue). The researcher offers cookies to subjects while they are performing a boring task. Each subject is run individually under the same conditions, except for the color of the icing on the cookies that are available. Six subjects are randomly assigned to each color....
Research Scenario A A psychologist is interested in the relationship between color of food and appetite....
Research Scenario A A psychologist is interested in the relationship between color of food and appetite. To explore this relationship, the researcher bakes small cookies with icing of one of three different colors (green, red, or blue). The researcher offers cookies to subjects while they are performing a boring task. Each subject is run individually under the same conditions, except for the color of the icing on the cookies that are available. Six subjects are randomly assigned to each color....
A psychologist was particularly interested in the relationship between hypnosis on memory. To test this she...
A psychologist was particularly interested in the relationship between hypnosis on memory. To test this she exposed 10 subjects to a list of 40 nonsense words. She then hypnotized each subject and asked them to recall as many words from the list as was possible. The mean of these responses is 22 and the standard deviation is 5.9. LV remembered 0 words. What is their z score? SI remembered 21 words. What is their T score? What proportion of subjects...
A psychologist conducted an experiment analysing the relationship between student scores in an exam and the...
A psychologist conducted an experiment analysing the relationship between student scores in an exam and the amount of attention they paid in class. The latter was measured using a type of brain monitor. The Psychologist believed that scores would increase by 1 for every two unit increase in attention. The data are listed in the excel spreadsheet. Estimate a linear regression between the score (Y) and the measure of attention(X). (a) Write out the equation for Y in the form...
The marriage between first cousins is termed as consanguineous relationship. Such relationships are often strongly discouraged...
The marriage between first cousins is termed as consanguineous relationship. Such relationships are often strongly discouraged as they lead to an elevated risk of progeny inheriting recessive diseases. If two first cousins are having a child together and they share a grandfather who is a carrier for CF, what is the probability that the child will have CF? Show your calculations.
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT