Questions from Statistics


Q: The net worth (in dollars) of female movie actors

The net worth (in dollars) of female movie actors

See Answer

Q: You are given a sample of data values along with specific bins

You are given a sample of data values along with specific bins. Your bar graph was marked wrong because it shows different frequencies than the ones shown on the teacher’s answer key.

See Answer

Q: The ages of males when they were hospitalized because of myocardial infarctions

The ages of males when they were hospitalized because of myocardial infarctions (heart attacks)

See Answer

Q: You want to determine the mean weight of all professional (NFL

You want to determine the mean weight of all professional (NFL) football players who were on team rosters during the past season.

See Answer

Q: Distinguish between a uniform distribution and a distribution with one or more

Distinguish between a uniform distribution and a distribution with one or more modes. What do we call distributions with one, two, and three modes?

See Answer

Q: What do we mean when we say that a distribution is symmetric

What do we mean when we say that a distribution is symmetric? Can a symmetric distribution have more than one mode?

See Answer

Q: What do we mean when we say that a distribution is skewed

What do we mean when we say that a distribution is skewed? Briefly describe the basic difference between a distribution that is skewed to the right and a distribution that is skewed to the left.

See Answer

Q: What do we mean by the variation of values in a set

What do we mean by the variation of values in a set of data?

See Answer

Q: Describe the process of calculating a standard deviation. What is the

Describe the process of calculating a standard deviation. What is the standard deviation if all of the sample values are the same?

See Answer

Q: For a recent year, baseball salaries had a median of $

For a recent year, baseball salaries had a median of $1,650,000 and a first quartile (Q1) of $1,675,000.

See Answer