Probability and Statistics 2

Question 1

Indicate the extent which the data differs from each other

Answer 1

Dispersion measures

Question 2

Definition of dispersion measures

Answer 2

Indicate the extent which the data differs from each other

Question 3

Most relevant central trend measures

Answer 3

Arithmetic mean, median and mode

Question 4

Considered the most important central trend measurement for quantitative variables

Answer 4

Arithmetic mean

Question 5

Fundamental central trend measure for qualitative measures or when we are interested in the majority

Answer 5

Mode

Question 6

Central trend measures important for ordinal qualitative variables and in certain special quantitative variables

Answer 6

Median

Question 7

Value of the variable that has the highest frequency; that is, the value that is most repeated in the population or sample.

Answer 7

Mode

Question 8

Symbol for mode in a sample

Answer 8

x^ (on top of each other)

Question 9

x^ (on top of each other) meaning

Answer 9

Mode in a sample

Question 10

Mode

Answer 10

Value of the variable that has the highest frequency; that is, the value that is most repeated in the population or sample.

Question 11

Most commonly used central trend measure

Answer 11

Arithmetic mean

Question 12

Also known as average

Answer 12

Arithmetic mean

Question 13

Other name for arithmetic mean

Answer 13

Average

Question 14

Definition of arithmetic mean

Answer 14

Sum of the values of all observations divided by the total number of observations

Question 15

Sum of the values of all observations divided by the total number of observations

Answer 15

Arithmetic mean

Question 16

Symbol for arithmetic mean

Answer 16

x̄

Question 17

x̄

Answer 17

Arithmetic mean