A survey of families living in a certain city was conducted to collect information on the...

A survey of families living in a certain city was conducted to collect information on the following variables: age of the oldest person in the family, number of family members, number of males in the family, number of females in the family, whether or not they own a house, income of the family, whether or not the family took vacations during the past one year, whether or not they are happy with their financial situation, and the amount of their monthly mortgage or rent.

1. which of these variables are qualitative variables?

2. which of these variables and quantitative variables?

3. which of these quantitative variables of question 2 are discrete variables?

4. which of these quantitative variables of question 2 are continuous variables

Solutions

Expert Solution

Solution:

1. Which of these variables are qualitative variables?

The qualitative variables are given as: whether or not they own a house, whether or not the family took vacations during the past one year, and whether or not they are happy with their financial situation.

2. Which of these variables and quantitative variables?

Answer:

The quantitative variables are given as: age of the oldest person in the family, number of family members, number of males in the family, number of females in the family, income of the family, and the amount of their monthly mortgage or rent.

3. Which of these quantitative variables of question 2 are discrete variables?

Answer:

The discrete variables in question 2 are given as: number of family members, number of males in the family, and number of females in the family.

4. Which of these quantitative variables of question 2 are continuous variables

Answer:

The continuous variables in question 2 are given as: age of the oldest person in the family, income of the family, and the amount of their monthly mortgage or rent.

orchestra answered 1 year ago

Next > < Previous

Related Solutions

In a survey from all the 1,000 families in a small city, 355 of the families...

In a survey from all the 1,000 families in a small city, 355 of the families have health insurance coverage from their work place, 256 of the families purchase the health insurance all by themselves, 260 of the families do not have health insurance, and the rest of the 129 families did not reply. If a family is selected at random from this city in the study what is the probability that this family either does not have health insurance...

Chicago Families: A survey is taken to estimate the mean annual family income for families living...

Chicago Families: A survey is taken to estimate the mean annual family income for families living in public housing in Chicago. From a random sample of 30 families, the annual incomes (in hundreds of dollars) are as follows 83 90 77 100 83 64 78 92 73 122 96 60 85 86 108 70 139 56 94 84 111 93 120 70 92 100 124 59 112 79 a) Construct and interpret a 95% confidence interval for b) Construct a...

A market survey was conducted in a city which numbers 16,000 homemakers. The survey was conducted...

A market survey was conducted in a city which numbers 16,000 homemakers. The survey was conducted to estimate the proportion of homemakers who could recognize the brand name of a cleanser based on the shape and color of the container. Of the 1,400 homemakers surveyed, 420 were able to identify the brand name. a. Using the 0.99 degree of confidence, the population proportion lies within what interval? b. An advertising firm claims that at least 30% of all homemakers can...

A survey is taken to estimate the mean annual family income for families living in public...

A survey is taken to estimate the mean annual family income for families living in public housing in Chicago. For a random sample of 29 families, the annual incomes (in hundreds of dollars) are as follows: 90 77 100 83 64 78 92 73 122 96 60 85 86 108 70 139 56 94 84 111 93 120 70 92 100 124 59 112 79 a. Construct a box plot of the incomes. What do you predict about the shape...

A poll is conducted in a certain city, regarding a certain referendum A random sample of...

A poll is conducted in a certain city, regarding a certain referendum A random sample of 100 shows that 62 are IN FAVOR of the referendum. (3)CONTINUED Please determine an 80% confidence interval for the proportion of the population in that city who ARE IN FAVOR of the referendum.

The probability that a person living in a certain city owns a dog is estimated to...

The probability that a person living in a certain city owns a dog is estimated to be 0.35. Find the probability that the eleventh person randomly interviewed in that city is the eighth one to own a dog. The probability that eleventh person randomly interviewed in that city is the eighth one to own a dog is

5. Scenario: A survey is conducted to determine the average number of people living in a...

5. Scenario: A survey is conducted to determine the average number of people living in a household in Scranton. An interviewer asks a sample of 16 Scranton shoppers, selected randomly in the Viewmont Mall (no two living in the same household), how many people live in their household. The results are as follows: 1 1 1 2 2 2 2 2 2 3 3 3 4 4 5 6 Assume the distribution of the number in all households is...

In a certain city, 30% of the families have a MasterCard, 20% have an American Express...

In a certain city, 30% of the families have a MasterCard, 20% have an American Express card, and 25% have a Visa card. Eight percent of the families have both a MasterCard and an American Express card. Twelve percent have both a Visa card and a MasterCard. Six percent have both an American Express card and a Visa card. 31. Is possession of a Visa card independent of possession of a MasterCard? Why or why not? No, because P (M...

In a survey of 1007 adults aged 18 to 74 living in a city, the prevalence...

In a survey of 1007 adults aged 18 to 74 living in a city, the prevalence of smokers was found to be 368. Build a 90% confidence interval for the proportion of smokers. Interpret the interval above. Build a 95% confidence interval for the proportion of smokers. Interpret the interval above. Compare with 90% CI.

A survey was conducted in which 125 families were asked how many cats lived in their...

A survey was conducted in which 125 families were asked how many cats lived in their households. The results are shown below. a) What is the probability that a randomly selected family has one cat? b) What is the probability that a randomly selected family has more than one cat? c) What is the probability that a randomly selected family has cats? d) Is this an example of classical, empirical, or subjective probability? *Number of Cats-Number of Households* 0-71 1-33...

Subjects