Question

In: Statistics and Probability

marketing firm asked a random set of married and single men as to how much they...

marketing firm asked a random set of married and single men as to how much they were willing to spend for a vacation. At = .05, is a difference in the two amounts?

Married men

Single men

Sample size

70

70

Mean spending

420

445

Sample variance

5000

6000

Solutions

Expert Solution

orchestra answered 1 year ago
Next > < Previous

Related Solutions

A random sample of 15 people was asked to record how much TV they watched every...
A random sample of 15 people was asked to record how much TV they watched every day for a week. The total number of hours each person watched during the week is displayed below. a. Is a normal approximation appropriate here? A. Yes B. No The data are shown below. 0.0 7.8 8.6 9.7 11.3 17.7 19.0 19.1 19.5 20.4 22.9 25.8 33.8 36.8 39.2 b. If a normal approximation is appropriate, find the probability that a randomly selected person...
A random sample of 15 people was asked to record how much TV they watched every...
A random sample of 15 people was asked to record how much TV they watched every day for a week. The total number of hours each person watched during the week is displayed below. The data are shown below. 0.0 7.8 8.6 9.7 11.3 17.7 19.0 19.1 19.5 20.4 22.9 25.8 33.8 36.8 39.2 b. If a normal approximation is appropriate, find the probability that a randomly selected person in the population watches less than 9 of TV per week....
1. A random sample of 10 Harper College students was asked the question, “How much did...
1. A random sample of 10 Harper College students was asked the question, “How much did you spend on textbooks this semester?” Below are the data of their responses: Amount Spent ($) 292 240 316 361 449 428 402 286 349 250 Construct and interpret a 95% confidence interval for the mean amount spent for textbooks by all Harper College students. What was the margin of error associated with your estimate? Explain its meaning. Follett claims the mean amount spent...
A random sample of 8 adults aged 30 years were asked how much they spent on...
A random sample of 8 adults aged 30 years were asked how much they spent on medical costs in the year 2009. Using the following data, compute the sample mean, the sample standard deviation, the sample median, and the first and third quartiles. 300 140 5600 520 470 700 640 1200
A random sample of 400 men and 400 women was randomly selected and asked whether they...
A random sample of 400 men and 400 women was randomly selected and asked whether they planned to attend a concert in the next month. The results are listed below. Perform a homogeneity of proportions test to test the claim that the proportion of men who plan to attend a concert in the next month is the same as the proportion of women who plan to attend a concert in the next month. Use α = 0.04. men women plan...
A marketing firm surveys 11 people to see how much they like a certain perspective advertisement...
A marketing firm surveys 11 people to see how much they like a certain perspective advertisement on a 0 to 10 scale. The following were the responses of the 11 people: { 4, 3, 2, 7, 5, 6, 1, 4, 3, 9, 0}. Find the approximate 95% confidence interval for the population mean. What is the lower bound? SHOW ALL STEPS
A marketing firm surveys 11 people to see how much they like a certain perspective advertisement...
A marketing firm surveys 11 people to see how much they like a certain perspective advertisement on a 0 to 10 scale. The following were the responses of the 10 people: { 4, 3, 2, 7, 5, 6, 1, 4, 3, 9, 0}. Find the approximate 95% confidence interval for the population mean. What is the lower bound? Yea I'm stuck on this problem I think it uses the Central Limit Theorem to Solve it with a normal model but...
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 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...
36 random samples of individuals from six different cities were asked how much time they had...
36 random samples of individuals from six different cities were asked how much time they had been spending per day watching TV. If it was found that the SSTr = 3153 and the SST = 11225, then fill out the table below (not all squares have blanks!). Whole numbered answers may be left as such, all else should be rounded to one decimal place. Source DF Sum of squares Mean squares F Pr > F Treatment 3153 MSTr 0.066 Error...
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT