Graphs and data

Question 1

Time series graphs

Answer 1

shows the number of something throughout different time periods

Question 2

Scatter plot

Answer 2

individual data points across 2 numerical values. Variables x and y are related

Question 3

Pie chart

Answer 3

Items which are represented as percentages of the whole

Question 4

Bar chart

Answer 4

Show value of specific data points

Question 5

Line graph

Answer 5

Shows a relationship between x and y. One variable

Question 6

Multiple line graphs

Answer 6

Shows a relationship but two phenomena are correlated

Question 7

Ceteris paribus

Answer 7

Factors and elements are held constant (holding all things equal). Изменяются только исследуемые явления

Question 8

Causation

Answer 8

one thing causes another

Question 9

Correlation

Answer 9

two things occur together

Question 10

Average

Answer 10

x1+x2+…+xn/n

Question 11

Median

Answer 11

the middle most value. If the number of items is even, the 2 of the middle are picked

Question 12

Change in value

Answer 12

Percentage change-new value-old value/old value x 100%

Question 13

Midpoint method

Answer 13

percentage change=new value - old value/(new+old)/2 x 100%

Question 14

Marginal analysis

Answer 14

comparing the additional benefits and (MB) derived from the activity and the extra cost (MC) incurred by the same activity. It’s good when MB>MC