Question

In: Statistics and Probability

A transportation researcher wants to determine if male or female commuters use different forms of transportation....

A transportation researcher wants to determine if male or female commuters use different forms of transportation. Sample
data is as follows:

Single Driver Carpool Bus or Train Bicycle Total
Men 200 50 25 50 325
Women 150 175 25 25 375

Total 350 225 50 75 700


Perform a hypothesis test at 95% confidence, to determine whether transportation choice is independent of gender. To get
full credit state your null and alternate hypothesis, your test statistic, show your p-value, and state your conclusion: are
transportation choices independent of gender? YES or NO

Solutions

Expert Solution

orchestra answered 2 years ago
Next > < Previous

Related Solutions

Scenario 1: A researcher wants to determine if different forms of regular exercise alter HDL levels...
Scenario 1: A researcher wants to determine if different forms of regular exercise alter HDL levels in obese middle aged males between the ages of 35 and 45.  Participants in the study are randomly assigned to one of four exercise groups – No Exercise, Resistance Training, Aerobic Exercise or Stretching/Yoga – and instructed to follow the program for 8 weeks.  Their HDL levels are measured after 8 weeks and are summarized below. Exercise Group N Mean Std Dev No exercise (TV watching...
A researcher wants to conduct a test for homogeneity to see if male and female cancer...
A researcher wants to conduct a test for homogeneity to see if male and female cancer patients behave similarly with respect to the types of treatments they select.  Use the following data and chooses a 0.10 level of significance. State the null and alternative hypothesis, find test statistic and p-value Male female 76 64 51 62 39 33 10 16
Within a large metropolitan area, 20% of the commuters currently use the public transportation system, whereas...
Within a large metropolitan area, 20% of the commuters currently use the public transportation system, whereas the remaining 80% commute via automobile. The city has recently revitalized and expanded its public transportation system. It is expected that 6 months from now 30% of those who are now commuting to work via automobile will switch to public transportation, and 70% will continue to commute via automobile. At the same time, it is expected that 90% of those now using public transportation...
SCENARIO 1 A market researcher wants to study how use of female models in television commercials...
SCENARIO 1 A market researcher wants to study how use of female models in television commercials affects sales in Zimbabwe. To do so the researcher uses two commercials that have been developed for winter wear called Warmers. The first commercial in which a well-known but male model describes how Warmers has alight weight, colourful and cool designs & styles airs during the months of November, December, January and February. The second commercial, which uses a popular female model in which...
In a study at a large hospital the researcher wants to assure that male nurses are...
In a study at a large hospital the researcher wants to assure that male nurses are adequately represented. At this hospital 5% of the nurses are male. The researcher separates the nurses into female and male hats. He draws 95 female names and 5 male names. This is an example of: Select one: a. Simple random sampling. b. Stratified random sampling. c. Multistage random sampling. d. Cluster sampling.
A researcher is studying truancy among male and female youths. In a sample of youth, males...
A researcher is studying truancy among male and female youths. In a sample of youth, males (n1 = 67) were truant from school a mean of 2.01 days per month (s1 = .76). Females (n2 = 45) were truant a mean of 1.08 days per month (s2 = .66). Use a five-step hypothesis test and an alpha of .01 to to determine if there is a difference between means. Assume equal population variances. Type or neatly write all five steps...
A market researcher for an automobile company suspects differences in preferred color between male and female...
A market researcher for an automobile company suspects differences in preferred color between male and female buyers. Advertisements targeted to different groups should take such differences into account, if they exist. The researcher examines the most recent sales information of a particular car that comes in three colors. Use Table 3. Gender of Automobile Buyer   Color Male Female   Silver 490 298   Black 537 290   Red 492 348 a. Choose the competing hypotheses to determine whether color preference depends on gender....
A market researcher for an automobile company suspects differences in preferred color between male and female...
A market researcher for an automobile company suspects differences in preferred color between male and female buyers. Advertisements targeted to different groups should take such differences into account, if they exist. The researcher examines the most recent sales information of a particular car that comes in three colors. (You may find it useful to reference the appropriate table: chi-square table or F table) Sex of Automobile Buyer Color Male Female Silver 477 298 Black 536 308 Red 482 348 b-1....
One researcher was disturbed by the tendency for female employees to overtime more than male employees....
One researcher was disturbed by the tendency for female employees to overtime more than male employees. For this he took a sample of 12 female employees and 10 male employees. The table below is data on how many hours were spent overtime a week. Using a non-parametric test and a 95% confidence level, can it be concluded that female employees are overtime more than male employees? Female (hour) Male (hour) 13 10 17 6 14 8 12 10 10 12...
A market researcher for an automobile company suspects differences in preferred color between male and female...
A market researcher for an automobile company suspects differences in preferred color between male and female buyers. Advertisements targeted to different groups should take such differences into account, if they exist. The researcher examines the most recent sales information of a particular car that comes in three colors. (You may find it useful to reference the appropriate table: chi-square table or F table) Sex of Automobile Buyer Color Male Female Silver 482 278 Black 546 310 Red 479 357 a....
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT