Chapter 1 ActivityIntroduction to Statistics and Data

AnalysisTypes of Data/Data Collection

# of Siblings, Distance from Home, Favorite Pizza Topping, # Pairs of Jeans, Eye Color

A. Which of these variables are numerical and discrete?

B. Which of these variables are numerical and continuous?

C. Which of these variables are categorical?

Part I. Consider a class survey asking for the following information:

Emotion Frequency Relative FrequencyAnger 61

Happiness 31

Love 77

Pain 45

Part II. A survey of children asked what emotion they connect with the color red

A. Obtain the relative frequency for each emotion in decimal form.

Anger

happiness

love

pain

0 10 20 30 40 50 60 70 80

Column2Column1Series 1

B. Make a bar chart for the children’s responses using the frequencies given above.

anger

happiness

love

pain

0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4

Column2Column1Series 1

C. Make a bar chart for the children’s responses using the relative frequencies.

D. How do the bar charts from parts B and C compare?

The actors Tom Cruise and Julianne Moore are about the same age (Cruise is 42 and Moore is 44). The run times (in minutes) for each of the movies in their filmographies are shown in the dotplots below (data found at www.imdb.com).

 

Part III.

Characteristic Tom Cruise Julianne Moore

Shortest Run Time

Longest Run Time

Most Common Run Times

Times

Unusual Run Times

A. Identify the following:

B. Write a sentence or two comparing the run times of Tom Cruise’s movies to those of Julianne Moore.

Write by comparing