Questions from Business Statistics

Q: One column of a large inventory spreadsheet shows the name of the

One column of a large inventory spreadsheet shows the name of the company that sold you each part. a. Is this variable quantitative or qualitative? b. Is this variable ordinal, nominal, or neither?

Q: Consider the information about selected cell phones shown in Table 2.

Consider the information about selected cell phones shown in Table 2.6.5. a. What is an elementary unit for this data set? b. Is this a univariate, bivariate, or multivariate data set? c. Is this a cr...

Q: Suppose a database includes the variable “security type” for which

Suppose a database includes the variable “security type” for which 1 = common stock, 2 = preferred stock, 3 = bond, 4 = futures contract, and 5 = option. Is this a quantitative or qualitative variable...

Q: The ease of assembling products is recorded using the scale 1 =

The ease of assembling products is recorded using the scale 1 = very easy, 2 = easy, 3 = moderate, 4 = difficult, 5 = very difficult. Is this a quantitative, ordinal, or nominal variable?

Q: Suppose a data set includes the variable “business organization” recorded

Suppose a data set includes the variable “business organization” recorded as 1 = sole proprietor, 2 = partnership, 3 = S corporation, 4 = C corporation. Is this a quantitative or qualitative variable?...

Q: Consider the information recorded in Table 2.6.6 for

Consider the information recorded in Table 2.6.6 for a selection of household upright vacuum cleaners. a. What is an elementary unit for this data set? b. What kind of a data set is this: univariate,...

Q: The Dow Jones company calculates a number of stock market index numbers

The Dow Jones company calculates a number of stock market index numbers that are used as indicators of the performance of the New York Stock Exchange. The best known of these is the DJIA, which is cal...

Q: Let us continue to look at the DJIA discussed in problem 26

Let us continue to look at the DJIA discussed in problem 26. Table2.6.8 shows 22 daily observations of the value of the DJIA, with 21 observations of the net change from one observation to the next, a...

Q: Describe and classify this database and its parts: a.*

Describe and classify this database and its parts: a.* Is this a univariate, bivariate, ormulti variate data set? b. What are the elementary units? c. Which variables are qualitative and which are qua...

Q: If you had a list of the miles per gallon for various

If you had a list of the miles per gallon for various cars, which of the following is the only possibility for the 65th percentile: 65 cars, 65%, $13,860, or 27 miles per gallon?