The sample covariance measures the direction of the linear relationship between two variables. ...

The sample covariance measures the direction of the linear relationship between two variables.
 
  Indicate whether the statement is true or false

Q. 2

________ classes are classes with boundaries that do not overlap.
 
  A) Equal-size
  B) Open-ended
  C) Mutually exclusive
  D) Close-ended

Q. 3

________data are values that correspond to specific measurements taken over a range of time periods.
 
  A) Cross-sectional
  B) Ordinal
  C) Time series
  D) Ratio

Q. 4

A normal probability distribution's standard deviation () completely describes its shape.
 
  Indicate whether the statement is true or false

Q. 5

A box-and-whisker plot displays the mean of the data set.
 
  Indicate whether the statement is true or false

Q. 6

The probability of a binomial distribution represents the variation that we would see in the number of successes over n trials, assuming the chance of a success is p.
 
  Indicate whether the statement is true or false

Q. 7

The left and right ends of the normal probability distribution extend indefinitely, never quite touching the horizontal axis.
 
  Indicate whether the statement is true or false