Question

In: Statistics and Probability

A survey was taken on the preference of males and females for three different stores: Walmart,...

  1. A survey was taken on the preference of males and females for three different stores: Walmart, Target, and Costco. People were randomly chosen and the following data were obtained.

Prefer Walmart

Prefer Target

Prefer Costco

Females

30

50

40

Males

30

10

40

  1. What type of data are these values? Explain.
  2. Can the results be generalized? Why? If so, to what group can it be generalized to?
  3. Can cause and effect statements be made? Explain why or why not.
  4. Complete the 5-step hypothesis test, using an alpha of .10.
  5. Estimate the p-value. Explain how you did it.

Solutions

Expert Solution

orchestra answered 3 years ago
Next > < Previous

Related Solutions

in a survey of 30 males and 50 females it was found that 15 males and...
in a survey of 30 males and 50 females it was found that 15 males and 20 females exercise regularly. if a person is selected at random what is the probability that: 1.they are male? 2.They are female? 3. They are male who exercise regularly
Is the life expectancy among African-American females and males and Caucasian females and males different. What...
Is the life expectancy among African-American females and males and Caucasian females and males different. What factors may account for these differences?
For the 2015 General Social Survey, a comparison of females and males on the number of...
For the 2015 General Social Survey, a comparison of females and males on the number of hours a day that the subject watched TV gave the following results. Group n Mean Females 504 3.07 Males 398 2.87 (a) Set up the hypotheses of a significance test to analyze whether the population means differ for females and males. Ho: 1 Correct: Your answer is correct. 2 Ha: 1 Correct: Your answer is correct. 2 (b) Conduct all parts of the significance...
For the 2015 General Social Survey, a comparison of females and males on the number of...
For the 2015 General Social Survey, a comparison of females and males on the number of hours a day that the subject watched TV gave the following results. Group n Mean Females 500 3.09 Males 401 2.88 (a) Set up the hypotheses of a significance test to analyze whether the population means differ for females and males. Ho:   1    ---Select---  =  not equal  >  <   2 Ha:   1    ---Select---  =  not equal  >  <   2 (b) Conduct all parts of the significance test if df = 499 and standard error = 0.163...
In a recent survey of county high school students, 100 males and 100 females, 66 of...
In a recent survey of county high school students, 100 males and 100 females, 66 of the male students and 47 of the female students sampled admitted that they consumed alcohol on a regular basis. Find a 90% confidence interval for the difference between the proportion of male and female students that consume alcohol on a regular basis. Can you draw any conclusions from the confidence interval? For the test of significance questions, clearly indicate each of the formal steps...
Describe AND give real-life examples of males and females are different in the structure of our...
Describe AND give real-life examples of males and females are different in the structure of our brains, social cognition, cognition and aggression.
A survey is taken among customers of a fast-food restaurant to determine preference for hamburger or...
A survey is taken among customers of a fast-food restaurant to determine preference for hamburger or chicken. Of 200 respondents selected, 75 were children and 125 were adults. 120 preferred hamburger and 80 preferred chickens. 55 of the children preferred hamburger and 20 preferred chickens. Set up a 2x2 contingency table using this information and answer the following questions: Age/ Food Hamburger Chicken Total Child Adult Total 200 What is the probability that a randomly selected individual is an adult?...
1- From the 2008 General Social Survey, females and males were asked about the number of...
1- From the 2008 General Social Survey, females and males were asked about the number of hours a day that the subject watched TV. Females (n = 698) reported a mean of 3.08 hours with a standard deviation of 2.70 hours. Males (n = 626) reported a mean of 2.87 hours with a standard deviation of 2.61 hours. Test that the mean hours of TV watched by men and women is different from zero at the 5% significance level. n...
A small town has 7000 adult males and 5000 adult females. A sociologist conducted a survey...
A small town has 7000 adult males and 5000 adult females. A sociologist conducted a survey and found that 60% of the males and 50% of the females drink heavily. An adult is selected at random from the town. (Enter your probabilities as fractions.) (a) What is the probability the person is a male? (b) What is the probability the person drinks heavily? (c) What is the probability the person is a male or drinks heavily? (d) What is the...
From the 2008 General Social Survey, females and males were asked about the number of hours...
From the 2008 General Social Survey, females and males were asked about the number of hours a day that the subject watched TV. Females (n = 698) reported a mean of 3.08 hours with a standard deviation of 2.70 hours. Males (n = 626) reported a mean of 2.87 hours with a standard deviation of 2.61 hours. Test that the mean hours of TV watched by men and women is different from zero at the 5% significance level. n 1...
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT