Beginning Statistics- Chapter 1

Amounts of yearly rainfall in Miami over the last 5 years are an example of which type of data?

Continuous

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

Descriptive Statistic

A recent poll of 3366 home owners in Ohio showed that the average price of a house in the U.S. is $255,000.

Inferential Statistic

Colors of jelly beans in a jar are an example of which type of data?

Neither

Hair colors are an example of which type of data?

Neither

Songs on a band's set list are an example of which type of data?

Neither

Determine if the numerical value describes a population parameter or a sample statistic. The average price of a car at the new car dealership in town is $34,600.

Parameter

Determine whether the statement describes a population or a sample. The number of hours the children in Mrs. Smith's kindergarten class watch television in a day.

Population

Identify the population being studied and the sample chosen. The heights of 13 out of the 35 corn plants at Mr. Lonardo's greenhouse.

Population: The 35 corn plants at Mr. Lonardo's greenhouse. Sample: The 13 corn plants at Mr. Lonardo's greenhouse.

Types of cars people own are an example of which type of data?

Qualitative

A survey response to "Do you favor a flat tax?" 1) Yes 2) No

Qualitative Neither Nominal

Fifty people were asked to respond to a survey question regarding how frequently they used their credit card. The categories they were asked to choose from are given below: 1) Infrequently 2) Sometimes 3) Frequently

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 IQ scores of students at the local college.

Quantitative Discrete Interval

Determine if the numerical value describes a parameter or a statistic. A recent poll of 1864 students showed that the average number of hours they study per week is 4.9.

Sample

Determine if the numerical value describes a parameter or a statistic. A survey of 3833 people in the U.S. revealed that 74% of those surveyed have a college degree.

Statistic

Identify the sample chosen for the study. The number of times 10 out of 20 students on your floor order pizza in a week.

The 10 students on your floor.

Identify the population being studied. The heights of 14 out of the 24 cucumber plants at Mr. Lonardo's greenhouse.

All cucumber plants at Mr. Lonardo's greenhouse.

Determine whether the statement describes a population or a sample. The annual salaries of a sample of 26 parents of your classmates.

Sample

Determine whether the statement describes a population or a sample. The midterm exam scores of 6 out of the 20 students in your chemistry class.

Sample

The high school GPAs of a sample of 22 professors at the local college.

Sample