The graph shows the total amounts in two accounts with the same principal and annual interest
rate
After 45 years, how much more did the account with compound interest earn than the account
with simple interest?
compound interest
Total amount (dollars)
simple interest
OTT
0 5 10 15 20 25 30 35 40 45 50
Number of years
O about $225
about $300
about $550
about $600

For a science project, a high school research team conducted a survey of local air temperatures. based on the results of the survey, the found that the average temperatures were around 10 degrees higher than expected. this result was wrong. the trouble with the survey was that most of the locations were exposed to direct sunlight and located over asphalt or sand, which resulted in higher temperatures than normal. this is a classic example of an error in which phase of inferential statistics?