Exam 2: Frequency Tables

Suppose the proportion of males attending your college is .487. What percent of students are male?

Use the following table to answer questions -How many respondents are afraid to walk alone at night?

Use the following frequencies to construct a table including the percent and valid percent. DOES R OWN OR RENT HOME?

Fill in the empty cells in the following table:

Use the following table to answer questions: -How many individuals reported being "Not Too Happy" with their marriage?

Which of the following is an example of ecological data?

Which of the following is an example of individual data?

Use the following table to answer questions -What percent of respondents are NOT afraid to walk alone at night?

Use the following table to answer questions: -How many respondents reported feeling "Pretty Happy" or better with their marriage?

It is common practice to include missing cases in analyses.

Construct a frequency table using the following ages: 30, 30, 30, 33, 33, 34, 37, 37, 37, 37, 37, 40, 40, 45, 45, 45, 45, 45

Use the following table to answer questions -What proportion of respondents are afraid to walk alone at night?

Explain the difference between percent and valid percent. Why is this difference important?

Use the following table to answer questions -What percent of cases are not valid (missing)?

Proportions range from 0 to 100.

Use the following table to answer questions -What is the total number of missing cases?

Suppose there are 40 Republicans and 35 Democrats in a room. What is the probability of randomly selecting a Democrat from this room?

Explain why proportions and percentages are important.

In the 2006 GSS, 2,966 individuals reported their belief in the existence of God. Sixty- six respondents said they did not believe in God. What proportion did not believe?

If we want to know the ratio of Democrats to Republicans, we put the frequency of Democrats in the denominator.