You only need to look at the y intercepts.
-11 - -7 is -4, but you can't have a negative distance so it's just 4
Answer: option D
Step-by-step explanation:
The formulae for standard error = standard deviation/√n
But population standard deviation = 1.8 and sample size = n = 81
Standard error = 1.8/√81 = 1.8/9 = 0.2
Answer:
120
Step-by-step explanation:
90 x 100 ÷ 75 = 120
Answer:
15 degrees Celsius
Step-by-step explanation: