Matching. Select the level of measurement that is being employed in the following examples A: Interval B: Nominal C: Ordinal D: Ratio 1: Martin ranked 32nd in his high school class 2: Sandy is a female 3: The income tax rate in Kentucky is 8.4%

Answers 1C 2B 3D

Matching: is the following an issue relating to validity or reliability? A: Reliability B: Validity 1. Using education as a substitute for a measure of income 2. In a panel study, a respondent indicates that they are a liberal on the first survey but a conservative on the follow-up

Answers 1B 2A

True/False An index is useful when no obvious measure exists for a concept TRUE The purpose of polling is to be able to draw inferences about the sample FALSE

Normal curves have the same mean and median, but not necessarily the same mode FALSE

In which of the following examples will you end up with the most accurate polling results? A random sample of 600 people out of a population of 20,000 a random sample of 900 people out of a population of 150 million a random sample of 1,200 people out of a population of 4.5 million an internet poll that lets you vote when you visit the web site, sample of 80,000

Answer: C

For the following research question develop an appropriate non-directional, directional and null hypotheses Are Americans who often attend church more likely to vote than Americans who don’t?

Non-directional hypothesis Americans who attend church regularly will vote at different rates than Americans who do not attend church

Directional Hypothesis Americans who attend church regularly will vote at a higher rate than Americans who do not attend church

Null Hypothesis Americans who attend church regularly will vote at the same rate as those who do not attend church

For the following hypothesis, identify the relevant independent and dependent variable, and unit of analysis States where residents have higher levels of income will have higher voter turnout rates IV = state levels of income DV = voter turnout rates Unit of analysis = individual states

George and Martha run a vegetable stand. The daily sales (in dollars) for the past week were: 60, 80, 70, 60, 10, 90, 64. Find the mean, median and mode. Which measure would you recommend as the best measure of a typical daily profit? Why?

Mean: 62 Median: 64 Mode: 60 Explanation: median because 10 is an outlier

Answer the following questions using the cross tabs shown on the next page? What % of students who ‘strongly agree’ with the statement ‘I support the UN’ are female? What % of females ‘agree’ with the statement ‘I support the UN?’ A: 52.9% B: 57.7%