# Statistics

## Statistics

• Submitted By: popsup
• Date Submitted: 04/08/2011 11:43 PM
• Category: Miscellaneous
• Words: 4537
• Page: 19
• Views: 460

CHAPTER 1

1.1 (a) The types of beverages sold yield categorical or “qualitative” responses.
(b) The types of beverages sold yield distinct categories in which no ordering is implied.

1.2 Three sizes of soft drink are classified into distinct categories—small, medium, and large—in which order is implied.

1.3 (a) The time it takes to download an MP3 file from the internet yields numerical or “quantitative” responses.
(b) The download time is a ratio scaled variable because the true zero point in the measurement is zero unit of time.

1.4 (a) numerical, discrete, ratio scale (g) categorical, nominal scale
(b) categorical, nominal scale (h) numerical, discrete, ratio scale
(c) numerical, discrete, ratio scale (i) numerical, continuous, ratio scale
(d) numerical, continuous, ratio scale (j) categorical, nominal scale
(e) categorical, nominal scale (k) categorical, nominal scale
(f) numerical, continuous, ratio scale

1.5 (a) numerical, continuous, ratio scale (f) categorical, nominal scale
(b) numerical, discrete, ratio scale (g) categorical, nominal scale
(c) numerical, continuous, ratio scale (h) numerical, discrete, ratio scale
(d) categorical, nominal scale (i) categorical, nominal scale
(e) categorical, nominal scale (j) categorical, nominal scale

1.6 (a) categorical, nominal scale (e) numerical, discrete, ratio scale
(b) numerical, continuous, ratio scale (f) numerical, discrete, ratio scale
(c) numerical, continuous, ratio scale (g) numerical, continuous, ratio scale
(d) categorical, nominal scale (h) categorical, nominal scale

1.7 (a) numerical, continuous, ratio scale (e) categorical, nominal scale
(b) numerical, discrete, ratio scale (f) numerical, discrete, ratio scale
(c) categorical, nominal scale (g) categorical, nominal scale
(d) numerical, continuous, ratio scale...