Measurements
In part A, "Estimating Length" the length of the ruler was 10 cm. What type of observation was this?
Quantitative
What was the y-axis?
Number of student
When is the lab report due?
Tomorrow; Thursday; September 3rd, 2025
How do you calculate average?
add selected numbers / amount of selected numbers
Units should be included in ALL measurements? T/F
True
What type of graph did we make?
Line graph
Should the discussion questions be turned in with the lab report?
Yes
What is the horizontal length of your desk/ Round to the nearest inch.
24 inches
In part C, "Estimating Concentrations" it was observed that vile D had a much lighter hue than vile A. What type of observation is this?
Qualitative
Where did the data peak in the graph?
Average accuracy percent of 75-71%
Where does the X go on your best fit line?
Your own average
What is the correct reading on the graduated cylinder?
22 ml
What is the formula to find percent error?
(units off / actual units) x 100
Name at least 3 requirements a graph must have
Title; Labeled axis; Best fit line; Uniform increments
How long do you have to turn in late work?
1 week
I estimated the time to run 100m would take me 65 seconds but it actually took me 110 seconds. How would I write this in a formula to find percent error?
(45s / 110s) x 100
What is the percent error if the percent accuracy is 87%?
13% error
A "Best Fit Line" on a graph is designed to?
Reduce human error and/or show patterns
DQ 3: How did your accuracy compare to other students? Explain.
Free response
I estimated the tree to be 9 feet tall but when measured it turned out to be 12 feet. What is my percent accuracy?
75% accuracy