Prob and Stats Unit 1 Review

Which of the following is the most complete definition of statistics?

• The process of counting numbers

• The process of collecting, analyzing, and drawing conclusions from data

• The process of classifying variables

• The process of calculating measures

The information gathered about a group of individuals and organized using variables is called what?

• frequency

• simulation

• data

• distribution

What do we call the characteristics of individuals that take on different values in the study of statistics?

• variables

• tables

• models

• discrepancies

The statistical process that allows us to create data for real-world questions where a mathematical answer is difficult to calculate, too costly, or too time consuming is called what?

• frequency

• relative frequency

• distribution

• simulation

Which of the following is not a categorical variable?

• eye color

• dog breed

• gender

• number of cards in a deck of cards

Discrete and continuous are types of what variables?

• quantitative

• categorical

• frequencies

• conditional

100 teachers were asked which fruit they preferred to eat with their lunch. The table below shows the results. What is the frequency of a male teacher who prefers to eat an apple with lunch?

• 15

• 12

• 21

• 54

100 teachers were asked which fruit they preferred to eat with their lunch. The table below shows the results. You must complete the table in order to answer the question. How many teachers (both male and female) prefer to eat a peach with their lunch?

• 41

• 100

• 19

• 22

Of the teachers who prefer a pear with their lunch, how many of them are female?

• 38

• 46

• 15

• 9

Which fruit is most preferred to be eaten with lunch by the 100 teachers?

• peach

• apple

• pear

• there is no preference