For each of the following studies, identify both the parameter and the statistic using the appropriate...

For each of the following studies, identify both the parameter and the statistic
using the appropriate notation.

a. A sociologist wants to know the proportion of adults with children under the age of 18 that
eat dinner together 7 nights a week. A simple random sample of 1122 adults with children under the
age of 18 was obtained, and 337 of those adults reported eating dinner together with their families
7 nights a week.

b. A school administrator wants to estimate the mean score on the verbal
portion of the SAT for students whose first language is not English. From a simple random sample of
20 students whose first language is not English, the administrator obtains a sample mean SAT verbal
score of 458.

c. Nexium is a drug that can be used to reduce the acid produced by the
body and heal damage to the esophagus. A researcher wants to estimate the proportion of patients
taking Nexium that are healed within 8 weeks. A random sample of 224 patients suffering from acid
reflux disease is obtained, and 213 of those patients were healed after 8 weeks.

d. A nutritionist wants to estimate the mean amount of sodium consumed
by children under the age of 10. From a random sample of 75 children under the age of 10, the
nutritionist obtains a sample mean of 2993
milligrams of sodium consumed.

Expert Solution

orchestra answered 1 year ago

For each description below, identify each underlined number as a parameter or statistic. Use appropriate notation...

For each description below, identify each underlined number as a parameter or statistic. Use appropriate notation to describe each number, e.g., p^ = 0.96. A) The National Center for Health Statistics reports that the mean systolic blood pressure for males 35 to 44 years of age is 128 and the standard deviation is 15. The medical director of a large company looks at the medical records of 72 executives in this age group and finds that the mean systolic blood...

Identify if population parament or sample statistic: Is statement population parameter or sample statistic? If, parameter,...

Identify if population parament or sample statistic: Is statement population parameter or sample statistic? If, parameter, then identify population and parameter. If sample, then, what is population, sample, and statistic? A) North Carolina State’s rugby team scored an average of 29.8 points per game in the 2015 season. B) Based on a new poll of 5000 citizens, they believe that 89% of voters plan to cast their ballot for Mayor Green in the upcoming election. C) A calculating fanatic conducts...

For each of the following, state whether the quantity described is a parameter or a statistic,...

For each of the following, state whether the quantity described is a parameter or a statistic, and give the correct notation. Correlation between height and arm-span (distance from fingertip to fingertip when arms are extended to the sides) for all players on the Chicago Bulls basketball team, using data from all players currently on the team Average gas price in Minnesota, based on prices at randomly selected gas stations throughout the state. Proportion of students at a university that are...

explain the difference between a parameter and statistic using an example

1. Identify if the statement is about population parameter or a sample statistic and explain your...

1. Identify if the statement is about population parameter or a sample statistic and explain your answer. If it is about a parameter identify the population, and if it is about a sample identify the population and the sample. A) 33% of all of the teams in the Basketball League are based in United States. B) A survey of 300 butchers found that the average butcher uses 1000 lbs. of salt each year. C) After taking measurements from 25,369 people,...

For each of the following exercises, define the appropriate parameter(s) and state the null and alternative...

For each of the following exercises, define the appropriate parameter(s) and state the null and alternative hypotheses. Student Exercise 1 A water faucet manufacturer claims that the mean flow rate of a certain type of faucet is less than 2.5 gallons per minute. Student Exercise 2 Do males and females differ in terms of how many hours per week they exercise? Student Exercise 3 Is the proportion of men who smoke cigarettes greater than the proportion of women who smoke...

For each of the following problems, define the appropriate parameter(s) and state the null and alternative...

For each of the following problems, define the appropriate parameter(s) and state the null and alternative hypotheses. 1. Is the proportion of men who vote greater than the proportion of women who vote in the United States? 2. A car dealership announces that the mean time for an oil change is less than 15 minutes. 3. A researcher wants to test if there is evidence that the proportion of US citizens who can name the capital city of Canada is...

For each the following questions, • Define the appropriate parameter(s) • State Ho and Ha •...

For each the following questions, • Define the appropriate parameter(s) • State Ho and Ha • Choose the correct model from the following list: I. Test for a single mean II. Test for a single proportion III. Test for two means, independent samples IV. Test for mean difference, dependent sampling V. Test for two proportions, independent samples a. You want to support the claim that male bass singers are taller than male tenor singers. Parameter(s): Hypotheses: Ho: __________________ Ha: __________________...

1. For each the following questions, Define the appropriate parameter(s) State ?! and ?! Choose the...

1. For each the following questions, Define the appropriate parameter(s) State ?! and ?! Choose the correct model from the following list: Test for a single mean Test for a single proportion Test for two means, independent samples Test for mean difference, dependent sampling Test for two proportions, independent samples You want to support the claim that male bass singers are taller than male tenor singers. Parameter(s): Hypotheses: ?!: __________________ ?!: __________________ Model to use: ______ You want to reject...

Define population parameter and sample statistic. Give two examples of each

Question