1.Those methods involving the collection, presentation, and characterization of a set of datain order to properly describe the

various features of that set of data are called

a. statistical inference.

b. the scientific method.

c. sampling.

d. descriptive statistics.

2. Which of the following is most likely a parameter as opposed to a statistic?

a. The average score of the first five students completing an assignment.

b. The proportion of females registered to vote in a county.

c. The average height of people randomly selected from a database.

d. The proportion of trucks stopped yesterday that were cited for bad brakes.

3. Which of the following is not an element of descriptive statistical problems?

a. An inference made about the population based on the sample.

b. The population or sample of interest.

c. Tables, graphs, or numerical summary tools.

d. Identification of patterns in the data.

4. When studying the simultaneous responses to two categorical questions, we should set up a

a. contingency table.

b. frequency distributiontable.

c. cumulative percentage distribution table.

d. Histogram.

5. A marketing research firm, in conducting a comparative taste test, provided three types of peanut butter to a sample of households randomly selected within the state. Which of the four methods of data collectionis involved when people are asked to compare the three types of peanut butter?

a. Published sources

b. Experimentation

c. Surveying

d. Observation

6. Which descriptive summary measures are considered to be resistant statistics?

a. The meanand standard deviation.

b. The interquartile rangeand range.

c. The modeand variance

d. The medianand interquartile range.

7. According to the empirical rule, if the data form a “bell-shaped” normal distribution, _______ percent of the observations will be contained within 1 standard deviation around the mean.

a. 68.26

b. 88.89

c. 93.75

d. 95.44

1.Those methods involving the collection, presentation, and characterization of a set of data in order to properly describe the various features of that set of data are called

a. statistical inference.

b. the scientific method.

c. sampling.

d. descriptive statistics.

Answer: d. descriptive statistics.

2. Which of the following is most likely a parameter as opposed to a statistic?

a. The average score of the first five students completing an assignment.

b. The proportion of females registered to vote in a county.

c. The average height of people randomly selected from a database.

d. The proportion of trucks stopped yesterday that were cited for bad brakes.

Answer: b. The proportion …

There are answers and explanations to 7 multiple choice questions on statistics. The topics that are dealt with are descriptive statistics, parameters and statistics, resistant statistics, normal distribution etc.