**Question 110 pts**

Describe the various problems afflicting the Uniform Crime Reports

Flag question: Question 2

**Question 210 pts**

Explain why it is possible to generate categorical variables from continuous data but not possible to obtain continuous data from categorical variables.

Flag question: Question 3

**Question 310 pts**

Briefly explain the essential differences between bar charts and histograms.

Flag question: Question 4

**Question 410 pts**

A professor has recently completed her grading for the final exam. The scores can be seen in the data set below. Unfortunately, the professor has noticed the mean is extremely low. She is perplexed because she was certain the class had performed extraordinarily well as there were several scores in the 90s and two perfect exams. Take a look at the grade distribution below, calculate the mean, examine the scores, and figure out why the mean was so low.

__Grade__

99

97

100

100

64

55

40

52

63

96

50

65

60

__52__

Flag question: Question 5

**Question 510 pts**

What is the purpose of inferential statistics?

Flag question: Question 6

**Question 610 pts**

Explain what is meant by ‘sampling error’.

Flag question: Question 7

**Question 710 pts**

A researcher has a data set of homicides occurring in large Southern metropolitan areas consisting of 304 cases with a mean of 25.68 and a standard deviation of 11.26. The Professor has established α = .05. Calculate the resulting confidence interval for this set of data.

Flag question: Question 8

**Question 810 pts**

Briefly explain the difference between a Type I and Type II error.

Flag question: Question 9

**Question 910 pts**

Very briefly explain what is meant by the term ‘non-directional test.’

Flag question: Question 10

**Question 1010 pts**

Explain why a researcher would opt for an ANOVA instead of a series of t-tests.