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Homework 2

Frequency Tables and Graphs

When submitting this file, be sure the filename includes your full name, course and section. Example: HW2_JohnDoe_354B01

Be sure you have reviewed this module/week’s lessons and presentations along with the practice data analysis before proceeding to the homework exercises. Complete all analyses in SPSS, then copy and paste your output and graphs into your homework document file. Answer any written questions (such as the text-based questions or the APA Participants section) in the appropriate place within the same file.

Part I: Concepts

All Questions

These questions are based on the Nolan and Heinzen reading and end-of-chapter questions.

Use the following table to answer Question 1. This table depicts the scores of 83 students on an exam worth 65 points.

1) Use the information in the table to determine the percentages for each interval. Depending on your rounding

decisions, these may or may not add up to exactly 100% but should be very close.

Table: Grouped Frequency Table

Exam score

Frequency

Percentages for each Interval

60–62

3

?

57–59

9

?

54–56

21

?

51–53

18

?

48–50

14

?

45–47

10

?

42–44

8

?

TOTAL

?

?

2) When constructing a histogram and labeling the x- and y-axes, the lowest number on each axis should ideally be________.

3) A frequency distribution that is bell-shaped, symmetrical, and unimodal is ____________.

4) A frequency distribution that has a tail trailing off to the right of the distribution is ____________.

5) A frequency distribution of ages of residents at a senior citizen home is clustered around 83 with a long tail to the left. This distribution is ____________.

6) When a variable cannot take on values above a certain level, this is known as a(n) ________ effect.

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