Pairs of random numbers (x, y) are integers between 0 and 5 inclusive.Suppose a random variable W is ...

Pairs of random numbers (x, y) are integers between 0 and 5 inclusive.Suppose a random variable W is defined to equal the absolute value of the difference between x and y. How many distinct values are possible for W?

Q. 2

The best type of chart for comparing two sets of qualitative data is:
 a. a line chart
  b. a pie chart
  c. a histogram
  d. a bar chart
  e. all of these

Q. 3

Pairs of random numbers (x, y) are integers between 0 and 5 inclusive.How many different pairs are possible?

Q. 4

You asked ten of your classmates about their weight. On the basis of this information, you stated that the average weight of all students in your university or college is 158 pounds. This is an example of:
 a. descriptive statistics
  b. statistical inference
  c. sample
  d. population
  e. sample and population

Q. 5

Is the number of textbooks you bought this semester discrete or continuous random variable? Explain.

Q. 6

Which of the following is not the goal of descriptive statistics?
 a. summarizing data
  b. displaying aspects of the collected data
  c. reporting numerical findings
  d. estimating characteristics of the population based on a sample
  e. none of these