What is the difference between cluster and multistage sampling?
What is the difference between cluster and multistage sampling?
A.Cluster sampling uses several levels of clusters. B.Cluster sampling uses clusters whereas multistage sampling uses stages. C.Multistage sampling is a more comple
A psychology professor of a large class became curious as to whether the students who turned in tests first scored differently from the overall mean on the test. The overall mean score on the test was 75 with a standard deviation of 10; the scores we
Suppose the manager of a gas station monitors how many bags of ice he sells daily along with recording the highest temperature each day during the summer. The data are plotted with temperature, in degrees Fahrenheit (°F), as the explanatory variable
The Graded Naming Test and sociocultural differences: Researchers often use z tests to compare their
The Graded Naming Test and sociocultural differences: Researchers often use z tests to compare their samples to known population norms. The Graded Naming Test (GNT) asks respondents to name objects in a set of 30 black-and-white drawings. The test, o
An organizational psychologist conducted a study to see whether upgrading a companyʹs older computer system to newly released, faster machines would cause an increase in productivity from the current average of 120 units with a standard deviation of
Researchers monitoring the number of wolves and rabbits in a wildlife reserve think that the size of the wolf population depends on the rabbit population, since wolves eat rabbits. Over the years, researchers have collected the following data.
I am taking data online and i just want to check if my answers are right! I am teaching myself
So the question is You are hired by ILC industries to survey its employees about their working conditions. The following table lists the number of employees in each division.
The average time spent sleeping (in hours) for a group of medical residents at a hospital can be ...
The average time spent sleeping (in hours) for a group of medical residents at a hospital can be approximated by a normal distribution, as shown in the graph to the right. Answer parts (a) and (b) below.
The time spent (in days) waiting for a heart transplant for people ages 35-49 can be ...
The time spent (in days) waiting for a heart transplant for people ages 35-49 can be approximiated by the normal distribution, as shown in the figure to the right.
(a) What waiting time represents the 5 5th percentile?
Use the normal distribution of SAT critical reading scores for which the mean is 506 and the standar
Use the normal distribution of SAT critical reading scores for which the mean is 506 and the standard deviation is 106. Assume the variable x is normally distributed.
A) What percent of the SAT verbal scores are less than 625? B) If 1
Use the standard normal table to find the z-score that corresponds to the given percentile. If ...
Use the standard normal table to find the z-score that corresponds to the given percentile. If the area is not in the table, use the entry closest to the area. If the area is halfway between two entries, use the z-score halfway between the corres
Use the standard normal table to find the z-score that corresponds to the given percentile. If ...
Use the standard normal table to find the z-score that corresponds to the given percentile. If the area is not in the table, use the entry closest to the area. If the area is halfway between two entries, use the z-score halfway between the corres
Use the standard normal table to find the z-score that corresponds to the given percentile. If ...
Use the standard normal table to find the z-score that corresponds to the given percentile. If the area is not in the table, use the entry closest to the area. If the area is halfway between two entries, use the z-score halfway between the corres
Use a table of cumulative areas under the normal curve to find the z-score that corresponds to ...
Use a table of cumulative areas under the normal curve to find the z-score that corresponds to the given cumulative area. If the area is not in the table, use the entry closest to the area. If the area is halfway between two entries, use the z-sc
Use the standard normal table to find the z-score that corresponds to the cumulative area 0.9251 ...
Use the standard normal table to find the z-score that corresponds to the cumulative area of 0.9251. If the area is not in the table, use the entry closes to the area. If the area is halfway between
Use the normal distribution of fish lengths for which the mean is 10 10 inches and the standard dev
Use the normal distribution of fish lengths for which the mean is 10 inches and the standard deviation is 2 inches. Assume the variable x is normally distributed.
Use the normal distribution of fish lengths for which the (a) What per
The total cholesterol levels of a sample of men aged 35-44 are normally distributed with a mean ...
The total cholesterol levels of a sample of men aged 35-44 are normally distributed with a mean of 222 milligrams per deciliter and a standard deviation of 371 milligrams per deciliter (a) What percent of the men have a total cholesterol
Milligrams per deciliter with a standard deviation of 37.6 milligrams per deciliter. Assume the tota
milligrams per deciliter with a standard deviation of 37.6 milligrams per deciliter. Assume the total cholesterol levels are normally distributed. Find the highest total cholesterol level a woman in this 20-34 age group can have and still be in the b
The amounts a soft drink machine is designed to dispense for each drink are normally distributed, .
The amounts a soft drink machine is designed to dispense for each drink are normally distributed, with a mean of 12.3 fluid ounces and a standard deviation of 0.2 fluid ounce. A drink is random,' selected (a) Find the probability tha
Assume the random variable x is normally distributed with mean mu equals 50 μ=50 and standard ...
Assume the random variable x is normally distributed with mean mu equals 50 μ=50 and standard deviation sigma equals 7 σ=7. Find the indicated probability.
Upper P left parenthesis x greater than 35 right parent
An example of a uniform distribution is f(x) equals =1 for 0 less than or equals ≤x less than ...
An example of a uniform distribution is f(x) equals =1 for 0 less than or equals ≤x less than or equals ≤1. The mean of the distribution for this example is 0.5 and the standard deviation is approximat
You work for a consumer watchdog publication and are testing the advertising claims of a tire manufa
You work for a consumer watchdog publication and are testing the advertising claims of a tire manufacturer. The manufacturer claims that the life spans of the tires are normally distributed, with a mean of 40,000 miles and a standard deviation of 4
Twenty dash four Twenty-four percent of people in a city eligible to donate blood actually do. You r
Twenty-four percent of people in a city eligible to donate blood actually do. You randomly select four eligible blood donors and ask them if they donate blood. Complete parts (a) through (d) below. (a) Find the mean of the binomial distributi
