QUIZ 1

The numbers of questions answered correctly by various students on a 1010-question quiz are an example of which type of data?

-discrete

Months of the year are an example of which type of data?

-qualitative

Classify the following data. Indicate whether the data is qualitative or quantitative, indicate whether the data is discrete, continuous, or neither, and indicate the level of measurement for the data. A company is evaluating customer satisfaction with one of their products. A survey of 400 persons is conducted. Each person is asked: "What is your level of satisfaction with the company's products?" 1) Poor 2) Average 3) Good 4) Excellent

-qualitative -neither -ordinal

Classify the following data. Indicate whether the data is qualitative or quantitative, indicate whether the data is discrete, continuous, or neither, and indicate the level of measurement for the data. The amount of time each of five randomly selected basketball players play during a game.

-quantitative -continuos -ratio

Identify the sampling technique used for the following study. First, the population is subdivided by city. Then a crime researcher uses a random number generator to select ten members from each city to study.The average number of hours students in your statistics class study per week is 15.715.7.

-stratisfied sampling

Identify the sampling technique used for the following study. Include each member of the group you wish to study.

census

Identify the sampling technique used for the following study. A random number generator is used to choose fifteen regions. Then a crime researcher collects data from each person in these regions.

cluster sampling

Determine whether the statement describes a descriptive or inferential statistic. 56%56% of all students at the local university eat out more than twice a week

descriptive

Determine whether the statement describes a descriptive or inferential statistic. A survey of 829829 people revealed that 55%55% have a college degree; therefore it can be assumed that 55%55% of the U.S. population has a college degree.

inferential

Religious affiliations are an example of which type of data?

neither

Determine whether the statement describes a population or a sample. The price of homes of all the professors at the local college.

population

Determine if the numerical value describes a population parameter or a sample statistic. The average price of a house in the new subdivision is $320,000$⁢320,000.

population parameter

The average number of hours students in your statistics class study per week is 15.715.7.

population parameter

Goals scored during a soccer game are an example of which type of data?

quantitative

Determine whether the statement describes a population or a sample. The final exam scores of 66 out of the 3838 students in your economics class.

sample

Determine if the numerical value describes a parameter or a statistic. A recent poll of 37293729 students showed that the average number of hours they study per week is 7.97.9.

sample statistic

Identify the sampling technique used for the following study. A market researcher surveys fifty consumers by randomly selecting names from the population of a town.

simple random

Identify the sampling technique used for the following study. A quality assurance analyst randomly selects the registration number of one hundred consumers to determine their satisfaction with a product.

simple random

Identify the sampling technique used for the following study. A statistics student chooses twenty people at random from each class.

stratisfied sampling

Identify the sampling technique used for the following study. A pollster interviews every fiftieth member from the entire population.

systematic sampling

Identify the population being studied. The number of times 1212 out of 3131 students on your floor order pizza in a week.

the 31 students