Coke The Coca Cola Company has 366,000 stockholders and a poll is conducted by randomly selecting 30 stockholders from each of the 50 states. The number of shares held by each sampled stockholder is recorded.

a. Are the values obtained discrete or continuous?

b. Identify the level of measurement (nominal, ordinal, interval, ratio) for the sample data.

c. Which type of sampling (random, systematic, convenience, stratified, cluster) is being used? d. If the average (mean) number of shares is calculated, is the result a statistic or a parameter?

Chapter (2)

Compute the cumulative frequency.
Convert the given frequency distribution to a relative frequency distribution.

Chapter (3)

For a given sample: 2, 8, 2, 3, 10, 7, 5, 1, 6, 2, and 5.

Compute the following: mean, median, mod, and standard deviation.

Chapter (4)

If we randomly select one Senator, what is the probability of:

Getting a Republican, given that a male was selected?
If we randomly select one Senator, what is the probability of getting a male, given that a Republican was selected?

Sample Solution