Question

In: Statistics and Probability

A recent study conducted in both Detroit and Salt Lake City asked single men in their...

A recent study conducted in both Detroit and Salt Lake City asked single men in their twenties, “What sort of sporting event would you prefer to attend?” and gave them the three options below. Results of the survey are presented in the table. Conduct a test at the alpha=0.025 level to ascertain whether there is a difference in the pattern of responses between Detroit and Salt Lake City.

Vehicle

Detroit

Salt Lake City

Golf

10

40

Chess

40

10

Extreme Cycling

50

50

State Hypotheses:

Show work:

What is the value of the test statistic?

What is the value of the standard?

What is the result of the test?

Solutions

Expert Solution

orchestra answered 2 years ago
Next > < Previous

Related Solutions

A recent study conducted in both Detroit and Salt Lake City asked single men in their...
A recent study conducted in both Detroit and Salt Lake City asked single men in their twenties, “What sort of sporting event would you prefer to attend?” and gave them the three options below. Results of the survey are presented in the table. Conduct a test at the alpha=0.025 level to ascertain whether there is a difference in the pattern of responses between Detroit and Salt Lake City. Vehicle Detroit Salt Lake City Golf 10 40 Chess 40 10 Extreme...
A recent study asked 800 women and 750 men if they expected to be promoted at...
A recent study asked 800 women and 750 men if they expected to be promoted at their companies in the next 12 months. 160 women and 190 men said yes. At the .05 level, is there a significant difference between women and men in their expectations of receiving a promotion? a. What is the pooled proportion? b. what is the test statistic and p-value? c. is gender difference significant? d. Calculate the 95% confidence interval for the difference
A recent study asked 80 women and 75 men if they expected to be promoted at...
A recent study asked 80 women and 75 men if they expected to be promoted at their companies in the next 12 months. 16 women and 19 men said yes. At the .05 level, is there a significant difference between women and men in their expectations of receiving a promotion? a. What is the pooled proportion? b. what is the test statistic? c. is gender difference significant? d. Calculate the 95% confidence interval for the difference in proportions
A recent study focused on the amount of money single men and women save monthly. The...
A recent study focused on the amount of money single men and women save monthly. The information is summarized here. Assume that the population standard deviations are equal. At the 0.01 significance level, what is the conclusion about the way women and men save?
A single lake (referred to as the “City Reservoir”) provides all the drinking water for a...
A single lake (referred to as the “City Reservoir”) provides all the drinking water for a city. The city wants to reduce risks to its water supply by adding a second lake as an additional water source. Two lakes are under consideration and only one will be used. The first lake is located next to the current City Reservoir which allows the city to reduce costs by sharing the single original water pipe from the Reservoir to city. The second...
A study was conducted on the number of hours slept by men and women. A sample...
A study was conducted on the number of hours slept by men and women. A sample of 18 men slept an average of 6.1 hours a day with a sample standard deviation of 2.1 hours, whereas a sample of 21 women slept an average of 6.4 hours a day with a sample standard deviation of 1.7 hours. Use a 0.05 significance level to test the claim that the average number of hours that there is a difference between the average...
A study was conducted on the number of minutes spent texting by men and women. A...
A study was conducted on the number of minutes spent texting by men and women. A sample of 20 men spent an average of 82.3 minutes a day texting with a sample standard deviation of 24.7 minutes, whereas a sample of 27 women spent an average of 101.4 minutes a day texting with a sample standard deviation of 27.3 minutes. Use a 0.10 significance level to test the claim that the average number of minutes that men spent texting a...
Salt Lake City Services, Inc., provides maintenance services for commercial buildings. Currently, the beta on its...
Salt Lake City Services, Inc., provides maintenance services for commercial buildings. Currently, the beta on its common stock is 1.08. The risk-free rate is now 10 percent, and the expected return on the market portfolio is 15 percent. It is January 1, and the company is expected to pay a $2 per share dividend at the end of the year, and the dividend is expected to grow at a compound annual rate of 11 percent for many years to come....
A study of homeless men in the city revealed that out of 242 selected to be...
A study of homeless men in the city revealed that out of 242 selected to be interviewed, 65 had been employed within the last year. Provide a 95% confidence interval for the proportion of all homeless men who had been employed within the past year. Interpret your result.
A recent 10-year study conducted by a research team at the Medical School was conducted to...
A recent 10-year study conducted by a research team at the Medical School was conducted to assess how age, blood pressure, and smoking relate to the risk of strokes. Assume that the following data are from a portion of this study. Risk is interpreted as the probability (times 100) that the patient will have a stroke over the next 10-year period. For the smoking variable, define a dummy variable with 1 indicating a smoker and 0 indicating a nonsmoker. Risk...
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT