Convenience Simple random sample is the

. The type of data


Described in the examples above and for any model of cause and effect is bivariate data — “bi” for two variables.

58. multivariate data is

In reality,


Statisticians use multivariate data, meaning many variables

59. Numerical data is

Quatitative data

60. A researcher is studying students in college in California. She takes a sample of 400 students from 10 colleges. The average age of all college students in California is

A parametr

61. Half of the observations in a data set are greater than the

Median

62. A researcher is interested in the travel time of Utrecht University students to college. A group of 50 students is interviewed. Their mean travel time in 16.7 minutes. For this study the mean of 16.7 minutes is an example of a(n)

statistics

63. A researcher is curious about the IQ of students at the Utrecht University. The entire group students is an example of a:

population

64. Statistical techniques that summarize and organize the data are classified as: